title: Ultrastructure of human uterine epithelium at the time of implantation after postovulatory administration of norethindrone.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D001706:Biopsy; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003864:Depression, Chemical; D010064:Embryo Implantation / Q000187:drug effects*; D004717:Endometrium / Q000166:cytology / Q000187:drug effects* / Q000473:pathology; D004847:Epithelial Cells; D004848:Epithelium / Q000187:drug effects; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008928:Mitochondria / Q000187:drug effects; D009640:Norethindrone / Q000008:administration & dosage / Q000097:blood / Q000494:pharmacology*; D010060:Ovulation / Q000187:drug effects; D011374:Progesterone / Q000097:blood; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral; D011374:Progesterone; D004958:Estradiol; D009640:Norethindrone