2017年4月25日 · It separates from the wall of the uterus and also comes out the birth canal. The placenta may come out on its own, or its delivery may require a provider's help. During stage 3:

2017年9月1日 · "Labor" and "delivery" describe the process of childbirth. Contractions of the uterus and changes in the cervix (the opening of the uterus) prepare a woman's body to give birth. Then the baby is born, and the placenta follows. NICHD studies many aspects of labor and delivery: their basic biology, childbirth practices, and management of related problems. A …

2020年12月30日 · Untreated gonorrhea infection in pregnancy has been linked to miscarriage, preterm birth and low birth weight, premature rupture of the membranes surrounding the fetus in the uterus, and infection of the fluid that surrounds the fetus during pregnancy. Gonorrhea can also infect an infant during delivery as it passes through the birth canal.

2017年8月7日 · Sometimes contractions weaken, the cervix does not dilate enough or in a timely manner, or the infant's descent in the birth canal does not proceed smoothly. If labor is not progressing, a health care provider may give the woman medications to increase contractions and speed up labor, or the woman may need a cesarean delivery. 3; Perineal tears.

2018年5月16日 · Preterm labor and birth occur more often among certain racial and ethnic groups. For example, infants of African American mothers are more likely to be born preterm than infants of white mothers. American Indian/Alaska Native mothers are also more likely to give birth preterm than are white mothers. 4

2017年8月22日 · (2007). Development of a nomogram for prediction of vaginal birth after cesarean delivery. Obstetrics and Gynecology, 109, 806–812; Hauk, L.; American Academy of Family Physicians. Planning for labor and vaginal birth after cesarean delivery: Guidelines from the AAFP. (2015). American Family Physician, 91(3), 197–198.

Labor and delivery are the process by which a baby is born, from the body's preparations to when the baby and the placenta leave the womb. The earliest stage of labor prepares the body for delivery. This is a period of hours or days when the uterus regularly contracts and the cervix gradually thins out (called "effacing") and opens (called "dilation") to allow the baby to pass …

2017年12月30日 · Research shows that building a language-rich environment from birth makes a big difference in a child’s ability to speak, read, and write. Follow these tips to help your child develop language skills early in life. Graphic: Cartoon image of a baby seated on a wooden floor in a house. The baby is holding a red cube building block labeled “encourage.” Next to the …

2016年7月8日 · Pregnancy is the term used to describe the period in which a fetus develops inside a woman's womb or uterus.Pregnancy usually lasts about 40 weeks, or just over 9 months, as measured from the last menstrual period to delivery. Health care providers refer to three segments of pregnancy, called trimesters. The major events in each trimester are described …

2016年5月20日 · Having a healthy pregnancy is one of the best ways to promote a healthy birth. Getting early and regular prenatal care improves the chances of a healthy pregnancy. This care can begin even before pregnancy with a pre-pregnancy care visit to a health care provider.