Pregnancy Conception Calculator

Estimate conception date, conception range, ovulation date, fertile window, implantation window, due date, gestational age, trimester, and pregnancy timeline.

Estimated Due Date

First Day of Last Period

Cycle Length

Ovulation Date

Ultrasound Date

Gestational Age Weeks

Extra Days

IVF Transfer Date

Embryo Age

Calculate As Of

Conception Range

Estimated Conception Date Not calculated

Method

Pregnancy Progress 0% complete

Week 0 0% complete Week 40

Conception RangeNot calculated

Ovulation EstimateNot calculated

Fertile WindowNot calculated

Implantation WindowNot calculated

Estimated Due DateNot calculated

Estimated LMPNot calculated

Gestational AgeNot calculated

TrimesterNot calculated

Days Pregnant0 days

Days Until Due Date0 days

Pregnancy MonthNot calculated

Calculation MethodDue date

This calculator gives an estimate only. Conception timing is rarely exact. Confirm pregnancy dating, ultrasound results, symptoms, and care decisions with a qualified healthcare professional.

Conception and Pregnancy Timeline

Stage	Estimated Date	Pregnancy Week	Notes