Anatomic and chromosomal anomalies in 639 spontaneous abortuses.
D000022:Abortion, Spontaneous / Q000235:genetics*; D002478:Cells, Cultured; D002869:Chromosome Aberrations; D002871:Chromosome Banding; D000013:Congenital Abnormalities / Q000196:embryology / Q000235:genetics*; D005260:Female; D005865:Gestational Age; D006801:Humans; D007621:Karyotyping; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D012729:Sex Chromosome Aberrations; D012744:Sex Ratio; D014314:Trisomy; D014427:Twins