🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربية中文EntityQ862898· pop 16· linked from 75 articlesBillings ovulation methodfertility awareness methodWikidata factsOfficial websitebillings.lifeImageBillings Ovulation Method - Observation Chart - en.svgSources (4)wikidata.orgthes.bncf.firenze.sbn.itbne.espt.wikipedia.orgvia Wikidata · CC0Available in 15 languagesEspañolFrançaisDeutschРусскийPortuguêsItalianoالعربيةCatalanCroatianDanishConnectionsspermEntitymenstruationEntityCategoriesFertility awareness