title: [Study of d-norgestrel as a contraceptive].
mesh_terms: D000328:Adult; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D009644:Norgestrel / Q000008:administration & dosage / Q000009:adverse effects*; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D013997:Time Factors
chemical_list: D009644:Norgestrel
vernacular_title: Estudio del d-norgestrel como anticonceptivo.