[The prediction of the term of pregnancy by vaginal cytology as viewed in phase contrast. Attempted prevention of prematurity].
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008858:Microscopy, Phase-Contrast; D011247:Pregnancy; D011295:Prenatal Care; D047929:Term Birth; D014621:Vagina
PREGNANCY; PRENATAL CARE