title: Chromosomal aberrations and chromosomal polymorphism in families with reproductive failure.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D000026:Abortion, Habitual / Q000235:genetics*; D000328:Adult; D002031:Bulgaria; D002869:Chromosome Aberrations; D005260:Female; D005313:Fetal Death / Q000235:genetics*; D006801:Humans; D007621:Karyotyping; D008297:Male; D011110:Polymorphism, Genetic; D011247:Pregnancy