title: [Evaluation of an estrogen-progestagen combination in reduced doses with contraceptive purpose].
mesh_terms: D000293:Adolescent; D000328:Adult; D004338:Drug Combinations; D004341:Drug Evaluation; D004717:Endometrium / Q000187:drug effects; D004958:Estradiol / Q000008:administration & dosage* / Q000009:adverse effects; D005193:Family Planning Services; D005260:Female; D006801:Humans; D009644:Norgestrel / Q000008:administration & dosage* / Q000009:adverse effects; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy
chemical_list: D004338:Drug Combinations; D009644:Norgestrel; D004958:Estradiol
vernacular_title: Valoración de una asociación estrógeno progestágeno en dosis reducidas con fines anticonceptivos.