[Preliminary inquiries into the methods for prediction of fetal sex (author's transl)].
D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D005333:Fetus; D006801:Humans; D008214:Lymphocytes / Q000648:ultrastructure; D011247:Pregnancy; D012730:Sex Chromosomes; D012732:Sex Determination Analysis