title: [A parenteral monthly contraceptive (preliminary report)].
mesh_terms: D000328:Adult; D003270:Contraceptive Agents; D004341:Drug Evaluation; D004958:Estradiol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008525:Medroxyprogesterone / Q000008:administration & dosage*; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D013997:Time Factors
chemical_list: D003270:Contraceptive Agents; D004958:Estradiol; D008525:Medroxyprogesterone
vernacular_title: Un anticonceptivo mensual parenteral (comunicación preliminar.