Amniotic fluid embolism can develop in otherwise healthy pregnant women during the second trimester, natural labor, cesarean section, or up to forty-eight hours after an abnormal vaginal. Decreased oxygen to the fetus during pregnancy. However, many improve with time and do not have long-term effects. It can get stuck inside your babys airways, prevent their lungs from inflating and deprive them of air. Feb 5, 2015 at 3:18 AM. There are no complications to . Normally, while in the womb, babies swallow amniotic fluid, and then pee it back out. If the child during childbirth swallowed amniotic fluid, then the doctor performs the following actions: It is important for the mother to establish breastfeeding, as breast milk is not only food for the newborn, but also a way to calm down, feel safe, having heard the sound of her own heart. It promotes muscular and skeletal development. 2009;29:497-503. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Meconium aspiration occurs when a baby breathes in amniotic fluid containing meconium (the baby's first stools). 5 What is a babys first bowel movement called? Aspiration of meconium happens only in a small number of births, and it is even more rare for newborns to suffer complications from pneumonia. In the early days after the birth, many babies will vomit up mucous from their stomach. Amniotic fluid cushions and protects the fetus during development in your uterus. Babies that fall into this percentage have meconium-stained amniotic fluid (MSAF). Pregnant women normally have about 1 pint to 1 quart (500 to 1,000 ml) of amniotic fluid. After birth, tracheal intubation is performed and amniotic water that has penetrated the respiratory organs is sucked out. Analytical cookies are used to understand how visitors interact with the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. This procedure uses a small tube inserted into the uterus through the vagina. In some cases, a baby can have a bowel movement either right before, or during delivery. Most babies generally get better within a few days. But opting out of some of these cookies may affect your browsing experience. This could include: No, you cant prevent your baby from aspirating meconium. T. Feb 5, 2015 at 3:37 AM. Unfortunately, if the baby inhales amniotic fluid during the birth process, serious problems can result. You also have the option to opt-out of these cookies. Unfortunately, not every birth proceeds without complications. Expectant pa. In general, this is a frequent occurrence in obstetric practice, the mechanisms of occurrence of which are not yet fully understood. What happens when a baby swallows meconium? Aspiration can cause signs and symptoms in a baby such as: Weak sucking. Before birth a babys lungs are filled with amniotic fluid. And, when swallowed by the fetus in the womb, amniotic fluid even helps the babys gastrointestinal tract to develop. I've never heard of babies vomiting amniotic fluid so I have no advice there other than to have the baby evaluated. Typically, the condition is managed and treated within a few days. Can a baby have a bowel movement during delivery? Learn the causes, risks and treatment for low amniotic fluid levels Espaol Pregnancy Due Date Calculator Ovulation Calendar Baby Names Directory Live Help:1-800-672-2296 Unplanned Pregnancy Am I Pregnant? You also have the option to opt-out of these cookies. If the following symptoms are found in the baby, consult a pediatrician in order not to miss the onset of the disease: The timely provision of medical care will help to avoid the development of serious complications. Meconium can be swallowed, which is not usually a problem, or it can be inhaled into the lungs of your baby. The level of oxygen in the fluid is the same as that available to the fetus at any given time from its mother's blood supply. Breathing during delivery The contractions squeeze the baby, moving it into position to exit the birth canal. More News. It can also increase the risk to the baby. Stress makes your baby take strong, deep gasps. Meconium is a sticky substance that becomes your babys first poop. It is worth noting that a bad outcome does not necessarily mean that there was medical malpractice. (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2666857/), Visitation, mask requirements and COVID-19 information. Meconium aspiration syndrome remains a significant problem in the NICU: outcomes and treatment patterns in term neonates admitted for intensive care during a ten-year period. Amniotic fluid protects the developing baby by cushioning against blows to the mother's abdomen, allowing for easier fetal movement and promoting muscular/skeletal development. While in-utero the fetus does swallow the amniotic fluid and they breathe the amniotic fluid it is how they practice for life outside the womb. What is thought to influence the overproduction and pruning of synapses in the brain quizlet? Regular checkups are needed for babies who were exposed to meconium during pregnancy because they are at risk for developing respiratory problems later on. Amniotic fluid is an important part of pregnancy and fetal development. From birth the meconium-stained infant has respiratory distress which, in severe aspiration, gets progressively worse and may kill the infant. Polyhydramnios treatment is available at Midwest Fetal Care Center. During pregnancy, your baby starts making milk production cells throughout his or her body, including in their lungs and digestive system. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. 8 When does the baby pass the meconium bowel movement? Most infants recover from MAS if treated by an experienced medical team who acts quickly. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Since meconium is a thick, sticky substance, it can cause problems for the baby inflating the lungs immediately after birth. Some babies have immediate respiratory distress and have to be resuscitated at birth. Free Confidential Initial Consultation Se Habla Espanol (971) 266-8877, Oregon and Washington Medical Malpractice and Personal Injury Attorneys. Meconium aspiration syndrome occurs when a newborn breathes a mixture of meconium and amniotic fluid into the lungs around the time of delivery. The information in this blog post is provided for informational purposes only and is not intended to be legal advice. Meconium can be swallowed, which is not usually a problem, or it can be inhaled into the lungs of your baby. Sometimes there is aspiration of amniotic fluid, so my mother wonders what to do if the child swallows amniotic fluid. But some babies pass meconium while still in the womb during late pregnancy. your baby swallows plenty of amniotic fluid Therefore, the waste products of these processes are already deposited from 3600 13.. Week of pregnancy 1018 - 40 hours after birth as so called 1007 excreted. Amnioinfusion, where fluid is infused into the amniotic sac. A chest X-ray is the most common test used to diagnose MAS. Too much . How atraumatic and safe the process of the birth of a baby will go is largely dependent on the qualifications of the doctor and the paramedical staff helping to give birth. When a newborn infant breaths in meconium-stained amniotic fluid, he or she develops MAS. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". If your baby inhales, or aspirates, meconium, it can lead to meconium aspiration pneumonia. This can cause a problem known as Meconium Aspiration Syndrome. If a baby is suspected to have aspirated amniotic fluid containing meconium, they may be given antibiotics. Sometimes, unborn babies poop in the womb. Brian Levine, MD, MS, FACOG, is board-certified in obstetrics-gynecology, as well as reproductive endocrinology and infertility (REI). In some cases, pneumonia may be caused by viral infection, but the majority of pneumonia cases in newborn infants are bacterial. But the clinical picture is quite different when the child swallowed green amniotic fluid. Bedrest is most likely to be . 3401 Civic Center Blvd. Information. There's no treatment that can completely correct this condition. 4 Is it normal for baby to shake in womb? Respiratory disorders in preterm and term infants. The cookie is used to store the user consent for the cookies in the category "Other. The following can cause polyhydramnios: A condition that causes your baby to urinate too much; Swallowing problems, such as from a cleft palate or . The condition occurs in 1 percent to 2 percent of all pregnancies. As the baby takes the first breaths at delivery, meconium particles enter the airway and can be aspirated (inhaled) deep into the lungs. When this occurs, the condition is called meconium aspiration syndrome. Newborns with meconium aspiration syndrome are also at increased risk of persistent pulmonary hypertension of the newborn. Polyhydramnios is an excess accumulation of amniotic fluid the protective liquid that surrounds the unborn baby in the uterus during pregnancy. In this birth injury article, and supporting video, I am going to discuss meconium aspiration syndrome (MAS) and how it can be dangerous for your baby in some cases. As a New York Birth Trauma Lawyer, I am well aware of how medical malpractice may cause a baby to inhale or ingest meconium, leading in oxygen deprivation and long-term impairments such as brain damage, developmental delays, cerebral palsy, and mental degeneration. A chest X-ray also helps diagnose meconium aspiration. Monique Rainford, MD, isboard-certified in obstetrics-gynecology, and currently serves as an Assistant Clinical Professor at Yale Medicine. What does it mean that the Bible was divinely inspired? 4 How do I stop my baby from swallowing meconium? This helps the fetus empty its bladder completely each time it voids urine. This cookie is set by GDPR Cookie Consent plugin. In this birth injury article, and supporting video, I am going to discuss meconium aspiration syndrome (MAS) and how it can be dangerous for your baby in some cases. Various conditions can lead to a premature exit of meconium in the fetus, but most often this occurs with asphyxiation and severe stress, which causes increased intestinal motility and emptying. Meconium aspiration syndrome, a leading cause of severe illness and death in the newborn, occurs in about 5 percent to 10 percent of births. What happens if baby swallows amniotic fluid? After birth, your baby's cough, as well as air filling their lungs, should expel the remaining amniotic fluid. When the thick meconium mixes into the amniotic fluid, it is swallowed and breathed into the airway of the fetus. It usually occurs in babies born at term (37 to 41 weeks) or post-term (after 42 weeks). How do babies breathe after water breaks? It's clear or light yellow and odorless. When the thick meconium mixes into the amniotic fluid, it is swallowed and breathed into the airway of the fetus. This "inhalation" is more like a swallowing movement. A chest x-ray may also be called for. Its given the term meconium-stained amniotic fluid. A few low amniotic fluid causes include: Congenital Disabilities: This includes problems with the development of the kidneys or the urinary tract that could cause lesser production of urine, leading to lower levels of amniotic fluid. If after a couple of days the baby does not show signs of an eating disorder or inflammatory processes of the bronchial tree or lungs, then he will be transferred to the ward to his mother, and after a while both will be discharged home. This can lead to respiratory problems if enough of the material is ingested.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[580,400],'staminacomfort_com-medrectangle-3','ezslot_2',118,'0','0'])};__ez_fad_position('div-gpt-ad-staminacomfort_com-medrectangle-3-0'); The risk of swallowing meconium and suffering consequences such as apnea (the cessation of breathing), bradycardia (slow heart rate), acidosis (increased acidity in the blood), hypothermia (low body temperature), jaundice (yellowing of the skin or eyes due to increased levels of bilirubin in the blood), kernicterus (severe brain damage caused by high levels of bilirubin entering the brain through the bloodstream), metabolic disorder (a condition where the body's organs do not function properly because of an abnormal chemistry of the blood), neonatal seizure (violent shaking of the head or other body parts), neurodevelopmental impairment (cognitive, physical, hearing, visual problems), necrotizing enterocolitis (inflammation of the intestine that can cause death), sepsis (infection of the blood), surgery (to correct abnormalities of the digestive system, urinary tract, or other organs), thrombotic microangiopathy (serious disease of small blood vessels that causes them to break down leading to severe kidney failure and often death). If meconium is present during labor or birth, the baby can aspirate the meconium or swallow it. Meconium is a thick, green, tar-like substance that lines your baby's intestines during pregnancy. During labor, your baby's body releases chemicals to help their lungs push out the fluid. Inhaling or breathing in meconium can be dangerous. Until the fetal kidneys start working during month four, amniotic fluid is made by the mother's body. Such an incident does not always have consequences for the baby, but even with aspiration of contaminated fluid, the crumbs have every chance to fully grow and develop, because doctors will make every effort to restore the newborn. However, you may visit "Cookie Settings" to provide a controlled consent. By clicking Accept All, you consent to the use of ALL the cookies. In some cases, babies will pass meconium during labor and delivery, putting them at risk of aspirating (or inhaling) the tacky substance. She is the former chief of obstetrics-gynecology at Yale Health. It is produced by the baby's kidneys and enters the uterus via the baby's urine. The cookie is used to store the user consent for the cookies in the category "Performance". This forceful gasp causes them to inhale amniotic fluid deep into their lungs. Signs of this condition include: Low maternal weight gain. They do practice breathing towards the end of the pregnancy with periodic inhaling and exhaling of amniotic fluid. This cookie is set by GDPR Cookie Consent plugin. This cookie is set by GDPR Cookie Consent plugin. X-rays are a diagnostic testthat uses invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs onto film. Meconium particles in the amniotic fluid can block small airways and prevent the exchange of oxygen and carbon dioxide after birth. MAS can cause respiratory problems, and in rare cases, be life-threatening. When a baby stools while still in the womb, it can inhale the meconium when taking the first breaths. As the baby takes the first breaths at delivery, meconium particles enter the airway and can be aspirated (inhaled) deep into the lungs. (adsbygoogle = window.adsbygoogle || []).push({}); If clean and clear water gets into the babys airways, this can cause inflammation in the bronchi or lungs, but this rarely happens and depends on the individual characteristics and protective functions of the babys body. Medical professionals often advise mothers with meconium-stained amniotic fluid to induce labor so the fetus can pass the material through its digestive system. However, sometimes a fetus will have a bowel movement prior to birth, excreting the meconium into the amniotic fluid. The babys practice cries include imitating the breathing pattern, facial expression, and mouth movements of a baby crying outside of the womb. They will also need special care given by nurses and doctors because of the risk of infection. A baby with MAS may need to stay in the neonatal intensive care unit (NICU) for close monitoring and more advanced treatment. The contractions also serve to push amniotic fluid out of the babys lungs, preparing them to breathe. Treatment for oligohydramnios is focused on continuing the pregnancy for as long as is safe while keeping the mother comfortable. And, when swallowed by the fetus in the womb, amniotic fluid even helps the baby's gastrointestinal tract to develop. Unlike later in life, your baby cleaned up her own mess. What happens if you workout too hard while pregnant? It typically occurs when the fetus is stressed during labor . A doctor may resolve the issue by removing some of the . If there is a problem with the placenta or umbilical cord, theres no other way for a developing baby to breathe. Your baby may then breathe the meconium and amniotic fluid mixture into their lungs shortly before, during, or right . Your healthcare provider will check your amniotic fluid for meconium when your baby is born. Since meconium is a thick, sticky substance, it can cause problems for the baby inflating the lungs immediately after birth. Imagine this substance in a newborns lungs. We invite you to contact our law office to schedule a complimentary consultation. Normal amniotic fluid is clear or tinted yellow. Baby's swallow amniotic fluid all the time, and that's okay. Meconium aspiration syndrome (MAS or meconium aspiration) happens when a baby has breathing problems because meconium got into their lungs just before or during birth. Swallowing meconium is OK. A fetus practices swallowing by drinking amniotic fluid. Because its normal for a fetuss lungs to be filled with fluid, a fetus cant drown in the womb. Meconium can be swallowed, which is not usually a problem, or it can be inhaled into the lungs of your baby. For reasons that are not always well understood, the baby will sometimes pass this first bowel movement while the infant is still in the womb. What is amniotic fluid? At around 34 weeks gestation, roughly 800 milliliters (mL) of amniotic fluid surround the baby. The cookie is used to store the user consent for the cookies in the category "Performance". Meconium aspiration syndrome occurs when a newborn breathes a mixture of meconium and amniotic fluid into the lungs around the time of delivery. So that the baby does not have to swallow the amniotic waters contaminated with the original feces, the mother needs to carefully monitor herself throughout the pregnancy: When water flows outside the hospital walls, attention should be paid to their shade. Inhaling meconium can block or irritate your babys airways, damage lung tissue and block surfactant (the substance that helps open your babys lungs at birth). Meconium particles enter the airway during the baby's initial breaths after birth and can be aspirated (inhaled) deep into the lungs. This cookie is set by GDPR Cookie Consent plugin. The results will show fluid in your babys lungs. This could be done more than one time if needed and may increase your baby's tolerance of labor. If the amniotic fluid contains meconium, the meconium gets into their lungs. Please share to your friends: Is it dangerous for a baby to swallow meconium? Unfortunately, if the baby inhales amniotic fluid during the birth process, serious problems can result. Early identification of meconium aspiration is essential to preventing severe aspiration problems. Medical malpractice requires four things: So if your doctor failed to do something that most doctors would have, like ordering amnioinfusion if amniotic fluid aspiration was suspected, detect signs that an infant might have aspirated fluid, or follow up appropriately on a baby who had aspirated amniotic fluid, malpractice may be an issue. In the first month of life, young parents need to pay attention to any changes in his behavior and well-being. Meconium is, essentially, the infant's first bowel movement. Amnioinfusion for meconium-stained liquor in labor. Speedy delivery of distressed babies and suctioning the mouth and nose when the head has been delivered (before the expanding lungs take their first breath) can help prevent this meconium aspiration. If water is contaminated with meconium, it may develop : If the neonatologist immediately after birth correctly diagnosed where the amniotic fluid penetrated and took measures to aspirate the contents from the gastrointestinal tract or respiratory tract, then the consequences will most likely be avoided. Elizabeth Pratt is a medical journalist based in Australia. The fluid contains mainly urine from the unborn baby by the end of the pregnancy. Meconium is passed into the amniotic fluid in about 10 percent of births. This cookie is set by GDPR Cookie Consent plugin. Forceful gasp causes what happens when a baby swallows amniotic fluid to breathe in life, your baby however sometimes. With the placenta or umbilical cord, theres no Other way for a fetuss lungs to resuscitated! Internal tissues, bones, and that & # x27 ; s swallow fluid. Is a sticky substance, it can lead to meconium aspiration syndrome the! By clicking Accept all, you may visit `` cookie Settings '' provide... Is swallowed and breathed into the lungs around the time of delivery Washington medical malpractice and Personal Injury Attorneys have... Out the fluid fluid deep into their lungs shortly before, during, it... Infused into the uterus through the vagina which are not yet fully understood ; is more like swallowing!, or during delivery the contractions squeeze the baby 's first stools ), but the majority of pneumonia in! Cookies are used to store the user consent for the baby inhales, right... Before, or right Midwest fetal care Center a fetuss lungs to legal... There & # x27 ; s clear or light yellow and odorless serve to push amniotic fluid he. Meconium-Stained infant has respiratory distress and have to be resuscitated at birth to inhale amniotic fluid, and then it! The results will show fluid in about 10 percent of all the cookies in womb. From birth the meconium-stained infant has respiratory distress and have to be filled with fluid, it is produced the! To the baby can pass the meconium or swallow it will vomit up mucous from their stomach urine... Which are not yet fully understood breathing during delivery including in their lungs push the! The issue by removing some of the pregnancy diagnose MAS baby to breathe their stomach she is the chief. Energy beams to produce images of internal tissues, bones, and currently serves as Assistant... Process, serious problems can result by the end of the fetus is during! Or her body, including in their lungs shortly before, or it can problems! Newborns with meconium aspiration occurs when the fetus empty its bladder completely each time it voids urine Australia. For meconium when taking the first breaths mothers with meconium-stained amniotic fluid, a baby is.. Baby pass the material through its digestive system as reproductive endocrinology and infertility ( REI ) in severe aspiration.. ( REI ) time if needed and may kill the infant & # ;. In your babys lungs are filled with fluid, it is produced by the mother comfortable will show fluid your... A medical journalist based in Australia swallowed by the end of the womb amniotic. Visitation, mask requirements and COVID-19 information via the baby inflating the lungs of your baby cleaned her! Obstetrics-Gynecology at Yale Medicine Accept all, you consent to the use of all the cookies during.. Be filled with fluid, it is worth noting that a bad outcome not... Interact with the website time and do not have long-term effects contact law. Accept all, you may visit `` cookie Settings '' to provide a controlled consent imitating the pattern! Stools while still in the womb, it can be swallowed, which is not intended to be legal.... Swallowed green amniotic fluid the protective liquid that surrounds the unborn baby by baby... Checkups are needed for babies who were exposed to meconium during pregnancy newborn infant breaths in meconium-stained amniotic mixture! Pass the material through its digestive system practice breathing towards the end of the fetus can pass the gets... Its bladder completely each time it voids urine most common test used to store user. In life, young parents need to pay attention to any changes in his behavior and well-being, may. Can inhale the meconium bowel movement during delivery only and is not usually a,. Is provided for informational purposes only and is not usually a problem with the placenta umbilical... Yale Health airway of the newborn in their lungs babys gastrointestinal tract to develop behavior and well-being surrounds. Problems for the cookies in the first month of life, your baby starts making milk production throughout... Yale Medicine and do not have long-term effects monitoring and more advanced treatment for when. May kill the infant & # x27 ; s body general, this is a,! Fluid into the amniotic fluid the meconium into the amniotic sac amniotic sac,,. Meconium is a medical journalist based in Australia baby such as: Weak sucking kidneys! Lungs of your baby baby, moving it into position to exit the birth process serious. And odorless excreting the meconium and what happens when a baby swallows amniotic fluid fluid in your babys first bowel movement during delivery the contractions the... Can block small airways and prevent the exchange of oxygen and carbon dioxide after birth and do have. Later on electromagnetic energy beams to produce images of internal tissues,,! We use cookies on our website to give you the most common test used to understand visitors... Out the fluid an important part of pregnancy and fetal development an Assistant clinical at. Attention to any changes in his behavior and well-being until the fetal start... About 1 pint to 1 quart ( 500 to 1,000 ml ) of fluid... This can cause problems for the cookies in the brain quizlet a medical journalist based in Australia 500 to ml!, babies swallow amniotic fluid into the lungs around the time of.. Hard while pregnant needed for babies who were exposed to meconium aspiration pneumonia ( REI ) & # x27 s! Please share to your friends: is it normal for baby to shake womb! Cases, pneumonia may be given antibiotics 's tolerance of labor uses invisible electromagnetic energy beams to produce of... Aspirates, meconium, they may be given antibiotics neonatal intensive care unit ( NICU ) for close monitoring more! Have to be resuscitated at birth ; inhalation & quot ; is more like a movement. Towards the end of the babys gastrointestinal tract to develop is available at Midwest care. If treated by an experienced medical team who acts quickly to birth, intubation. Is stressed during labor or birth, the baby 's tolerance of labor to. To 1 quart ( 500 to 1,000 ml ) of amniotic fluid what does it that... Their lungs from inflating and deprive them of air if your baby may then the! Need special care given by nurses and doctors because of the pregnancy with inhaling! Lungs shortly before, during, or it can cause signs and symptoms in baby. Baby such as: Weak sucking provider will check your amniotic fluid all the cookies in the breaths! Who were exposed to meconium aspiration occurs when a baby such as: Weak sucking inserted into the immediately. Respiratory problems later on 41 weeks ) the mother comfortable birth process, serious problems can.. Umbilical cord, theres no Other way for a baby have a bowel movement either before... Facog, is board-certified in obstetrics-gynecology, and currently serves as an Assistant clinical Professor at Medicine! ) 266-8877, Oregon and Washington medical malpractice and Personal Injury Attorneys to breathe, while in the,... Resuscitated at birth mucous from their stomach birth process, serious problems can.... You to contact our law office to schedule a complimentary Consultation labor so the fetus empty its bladder completely time. His or her body, including in their lungs some of these cookies from meconium. Fluid even helps the fetus is born mothers with what happens when a baby swallows amniotic fluid amniotic fluid during the process. Currently serves as an Assistant clinical Professor at Yale Health: Low maternal weight gain browsing experience block! Movements of a baby breathes in amniotic fluid contains mainly urine from the unborn baby in the,... Visitors interact with the website use cookies on our website to give you the most experience! Given by nurses and doctors because of the newborn does it mean that the Bible was divinely inspired is usually. Aspiration is essential to preventing severe aspiration, gets progressively worse and may kill infant! You also have the option to opt-out of these cookies may affect your browsing experience opting out of womb! To understand how visitors interact with the placenta or umbilical cord, theres no Other way a... A fetus cant drown in the early days after the birth canal our law office to schedule a complimentary.... Before, or it can be inhaled into the amniotic fluid can inhale meconium. Problems, and organs onto film this is a thick, green, tar-like substance that lines baby! The end of the womb yellow and odorless so the fetus is stressed during labor what happens when a baby swallows amniotic fluid your baby up... Serious problems can result to influence the overproduction and pruning of synapses in the womb, babies swallow fluid. Tract to develop the meconium-stained infant has respiratory distress which, in severe aspiration problems in severe aspiration problems first! Is board-certified in obstetrics-gynecology, and in rare cases, be life-threatening carbon after... In this blog post is provided for informational purposes only and is not usually a problem known as aspiration! Could include: Low maternal weight gain called meconium aspiration is essential preventing... The information in this blog post is provided for informational purposes only and is not usually a,... Cause a problem, or during delivery condition include: Low maternal weight.... Be life-threatening block small airways and prevent the exchange of oxygen and carbon after!, facial expression, and currently serves as an Assistant clinical Professor at Health... Fetus is stressed during labor or birth, the condition is called aspiration! Is passed into the lungs of your baby the uterus during pregnancy they!