Gestational age at termination of pregnancy on medical indications.
D000032:Abortion, Therapeutic; D000328:Adult; D002869:Chromosome Aberrations / Q000601:surgery; D025063:Chromosome Disorders; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008661:Metabolism, Inborn Errors / Q000601:surgery; D009436:Neural Tube Defects / Q000601:surgery; D011247:Pregnancy; D011262:Pregnancy Trimester, Second