title: [The ovulation method (Billings)].
mesh_terms: D001831:Body Temperature; D002582:Cervix Mucus; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D012252:Natural Family Planning Methods; D010061:Ovulation Detection / Q000379:methods*
vernacular_title: Método de la ovulación (Billings).