title: Possible ovulatory deficiency after tubal ligation.
mesh_terms: D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000209:etiology; D010060:Ovulation; D011183:Postoperative Complications; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D011446:Prospective Studies; D012189:Retrospective Studies; D013246:Sterilization, Tubal
chemical_list: D011374:Progesterone