pregnancy, gestation, menstrual cycle, luteal phase, menses, menstrual, intrauterine, menstruation, fetus, utero, caesarean delivery, semester, cesarean delivery, graders, postpartum, molar pregnancy, cervix, prenatal, eclampsia, placenta previa, abruption, postnatal, sonogram, fetuses, preeclampsia, childbirth, ovulation, cesarean section, cesarean, preterm, hyperemesis gravidarum, fetal distress, gestational age, caesarean, tubal pregnancy, cesarian section, breech birth, hyperemesis, ectopic pregnancy, uterus, preterm infant, chorionic villus, lactation, caesarean section, ectopic, episiotomy, newborns, clomiphene citrate, epidural anesthesia, oral contraceptive pill, myelomeningocele, meconium, dysmenorrhoea, anovulation, glucose tolerance test, fertilized ovum, babies, toxemia, antepartum, amenorrhea, womb, neonate, hysterectomy, parturition, hydrops, diethylstilbestrol, oral contraception, hypospadias, adolescence, hirsutism, childbearing, vaginal birth, pubertal, conceptus, menopause, estrous cycle, amnio, dysmenorrhea, abortions, myometrium, dystocia, uterine cavity, oral contraceptive, grade, amenorrhoea, amniocentesis, otosclerosis, anencephaly, endometrium, stillbirth, ultrasounds, nifedipine, adenomyosis, thyroidectomy, rh incompatibility, amniotic cavity, breastfeeding, instar, orchitis, pelvic inflammatory disease, neural tube, hypnotics, decade, period, decades, millennium, century, instant, paragraph, phase, stage, subsection, year, bc, cd, centuries, edition, epoch, inning, antenatal, intraoperative, transabdominal, postoperative, noninvasive, posttreatment, presurgical, prostate, transvaginal, irradiation, preoperative, partum, pretreatment, routine, vivo, antemortem, audiologic

epidemic roseola, german measles, rubella, three-day measles

academic year, gestation period, school year

academic term, amount of time, period of time, school term, session, time period