🌐EnglishEnglishDeutschEspañolFrançaisPolskiPortuguêsفارسی中文EntityQ138868· pop 10Naegele's ruleway of calculating the due date for a pregnancyAvailable in 10 languagesEspañolFrançaisDeutsch中文PortuguêsNorwegianPolskiUkrainianفارسیvia Wikidata sitelinks · CC0Connectionsexpected date of deliveryEntity