Basic Obstetric Terms amniocentesis amnion, amniotic sac amniotic fluid antenatal care, prenatal care breastfeeding cervix childbirth, labor, birth, parturition contraception embryo embryology fallopian tube fetus gestation gynecology hormone identical twin In Vitro Fertilization (IVF) labor, labour - see childbirth lactation Lamaze live birth menstrual cycle midwifery mother natural childbirth obstetrics ovary ovum or egg oxytocin or Pitocin pediatrics placenta pregnancy sterilization twin ultrasound umbilical cord umbilicus uterus or womb vagina womb - see uterus Complications of pregnancy and childbirth abortion breech birth caesarean section, cesarean section, C-section diabetes eclampsia ectopic pregnancy gestational diabetes hypertension hysterectomy Intrauterine Growth Restriction (IUGR) macrosomia (big baby) malpractice miscarriage or stillbirth obstetric fistula pre-eclampsia preterm labor or prematurity small for gestational age (SGA) See also gynecology - study of female reproductive system External Links ObGyn.net American College of Obstetricians and Gynecologists