Childbirth
Childbirth Dr. Sayeed Ahmad D. I. Hom. (London) Childbirth is the process by which a woman gives birth to a baby. A pregnant woman carries a baby within her body inside a hollow, muscular organ called the uterus. After about nine months, the baby passes out of the uterus and through the vagina, also called the birth canal. Childbirth can be painful, but the severity of the pain varies among women. The birth process is called labor. The process begins when the muscles of the uterus start to tighten and relax in a rhythmic pattern. As labor progresses, these muscle contractions become stronger and more frequent, causing the cervix (lower part of the uterus) to open. After the cervix has opened about 4 inches (10 centimeters), the contractions gradually force the baby through the cervix and out of the woman's body through the vagina. Many women assist the process by "pushing" with their abdominal muscles in time with their contractions. The amniotic sac, a membra...