Schwangerschaft & Fruchtbarkeit
Rechner zu Körperzusammensetzung, Ernährung, Schwangerschaft und Herzgesundheit auf Grundlage der Referenzstandards von WHO, NHS, ACOG und ACSM.
Gestational Age Calculator
Find out how many weeks pregnant you are from your last period or due date. Shows trimester, estimated due date and days remaining, per ACOG dating.
Geburtsterminrechner
Berechnen Sie Ihren Geburtstermin aus letzter Periode, Empfängnisdatum oder IVF-Transfer — nach ACOG (Naegele-Regel) und ASRM. Kostenloses Tool.
Ovulation Calculator
Find your ovulation date and six-day fertile window from your last period and cycle length. Based on Wilcox et al. NEJM 1995. Free, private, no sign-up.
Fertility Window Calculator
Calculate your broadest possible fertile window from a range of cycle lengths. Designed for irregular cycles using earliest and latest ovulation estimates.
Conception Date Calculator
Estimate when conception likely occurred from your due date or birth date. Uses the 266-day (EDD minus 266) reverse formula with a ±3-day window.