title: Oral contraceptives and chromosome segregation in oocytes of mice.
mesh_terms: D000782:Aneuploidy; D000818:Animals; D002875:Chromosomes / Q000187:drug effects*; D004171:Diploidy; D004305:Dose-Response Relationship, Drug; D010064:Embryo Implantation / Q000187:drug effects; D005260:Female; D005799:Genes, Dominant; D005804:Genes, Lethal; D008540:Meiosis / Q000187:drug effects*; D051379:Mice; D008809:Mice, Inbred C3H; D009640:Norethindrone / Q000008:administration & dosage / Q000494:pharmacology*; D010060:Ovulation / Q000187:drug effects; D010063:Ovum / Q000187:drug effects* / Q000648:ultrastructure; D011247:Pregnancy
chemical_list: D009640:Norethindrone