title: Chromosome polymorphism in 110 couples with reproductive failure and subsequent pregnancy outcome.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations / Q000150:complications*; D025063:Chromosome Disorders; D005260:Female; D006570:Heterochromatin / Q000502:physiology; D006801:Humans; D007246:Infertility / Q000235:genetics*; D008297:Male; D011110:Polymorphism, Genetic; D011247:Pregnancy
chemical_list: D006570:Heterochromatin