title: Abnormalities of early conceptus: a morphological study of 500 cases.
abstract: Although MR and PT are post-conception family planning measures, a large number of women were found to be non-pregnant. In the absence of direct evidence, presence of necrosis in the placental tissue in 20.8% cases is regarded as suggestive of abnormal ova which might have ended in abortion.
mesh_terms: D000028:Abortion, Induced; D004622:Embryo, Mammalian; D005193:Family Planning Services; D005260:Female; D005315:Fetal Diseases / Q000473:pathology*; D005333:Fetus; D006801:Humans; D009336:Necrosis; D010920:Placenta / Q000473:pathology; D011247:Pregnancy