title: The cytologic evaluation of early pregnancy. A review.
mesh_terms: D000029:Abortion, Legal; D000030:Abortion, Missed / Q000473:pathology; D000032:Abortion, Therapeutic; D000033:Abortion, Threatened / Q000473:pathology; D004847:Epithelial Cells; D005260:Female; D005865:Gestational Age; D006728:Hormones / Q000502:physiology; D006801:Humans; D009092:Mucous Membrane / Q000187:drug effects; D011247:Pregnancy; D011258:Pregnancy Tests; D011379:Prognosis; D014626:Vaginal Smears
chemical_list: D006728:Hormones