title: THE PRACTICAL VALUE OF VAGINAL CYTOLOGY IN PREGNANCY. I. CYTOLOGICAL PREDICTION OF THE FATE OF EARLY PREGNANCY.
mesh_terms: D000033:Abortion, Threatened; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D011247:Pregnancy; D011372:Progestins; D011379:Prognosis; D014621:Vagina; D014626:Vaginal Smears
chemical_list: D011372:Progestins
keywords: ABORTION, THREATENED; PREGNANCY; PROGESTATIONAL HORMONES; PROGNOSIS; VAGINAL SMEARS