title: Cytogenetic analysis of conceptus material of Korean women at first trimester.
mesh_terms: D000028:Abortion, Induced; D000022:Abortion, Spontaneous / Q000235:genetics*; D000328:Adult; D002869:Chromosome Aberrations / Q000453:epidemiology*; D025063:Chromosome Disorders; D005260:Female; D006801:Humans; D007723:Korea; D011247:Pregnancy; D011261:Pregnancy Trimester, First