Chromosomal studies in relation to abortion.
D000022:Abortion, Spontaneous / Q000209:etiology*; D002869:Chromosome Aberrations / Q000150:complications; D025063:Chromosome Disorders; D004314:Down Syndrome / Q000150:complications; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D009030:Mosaicism; D011123:Polyploidy; D011247:Pregnancy; D012729:Sex Chromosome Aberrations / Q000150:complications; D014424:Turner Syndrome / Q000150:complications