title: Chromosome studies in selected spontaneous abortions. 3. Early pregnancy loss.
mesh_terms: D000022:Abortion, Spontaneous / Q000235:genetics; D000293:Adolescent; D000328:Adult; D002869:Chromosome Aberrations / Q000453:epidemiology; D025063:Chromosome Disorders; D046508:Culture Techniques; D005260:Female; D006801:Humans; D007621:Karyotyping; D008423:Maternal Age; D008875:Middle Aged; D011123:Polyploidy; D011247:Pregnancy; D012422:Rupture, Spontaneous; D013997:Time Factors; D014314:Trisomy