title: Recurrent spontaneous abortion.
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology* / Q000235:genetics / Q000276:immunology; D002470:Cell Survival; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D000013:Congenital Abnormalities / Q000196:embryology; D003338:Corpus Luteum / Q000473:pathology; D005260:Female; D005315:Fetal Diseases / Q000150:complications; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011374:Progesterone / Q000097:blood / Q000378:metabolism; D011379:Prognosis; D012008:Recurrence; D014591:Uterine Diseases / Q000150:complications; D014599:Uterus / Q000002:abnormalities
chemical_list: D011374:Progesterone