title: Chromosome studies on spontaneous and threatened abortions.
mesh_terms: D000022:Abortion, Spontaneous / Q000235:genetics*; D000033:Abortion, Threatened / Q000235:genetics*; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002900:Chromosomes, Human, 1-3; D002901:Chromosomes, Human, 13-15; D002902:Chromosomes, Human, 16-18; D002904:Chromosomes, Human, 21-22 and Y; D005260:Female; D005333:Fetus; D006579:Heterozygote; D006801:Humans; D007621:Karyotyping; D008297:Male; D009030:Mosaicism; D011247:Pregnancy; D012737:Sex Factors; D014314:Trisomy