title: [Use of a long-term contraceptive of semestral application. Preliminary report].
mesh_terms: D000328:Adult; D001835:Body Weight / Q000187:drug effects; D003270:Contraceptive Agents / Q000008:administration & dosage* / Q000009:adverse effects; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008525:Medroxyprogesterone / Q000008:administration & dosage* / Q000009:adverse effects; D011247:Pregnancy; D013997:Time Factors
chemical_list: D003270:Contraceptive Agents; D008525:Medroxyprogesterone
vernacular_title: Empleo de un anticonceptivo de acción prolongada de aplicación semestral. Comunicación preliminar.