Pregnancy
Due date, conception, ovulation, and pregnancy planning calculators.
Showing 6 tools
Pregnancy
Conception Calculator
Use due date, last menstrual period, or ultrasound dating to estimate a likely conception date and the surrounding fertile window.
Due Date Calculator
Estimate an expected due date from the dating source you know, then review the pregnancy length and the assumptions behind the date.
Ovulation Calculator
Estimate the likely ovulation date and fertile window from your last period and average cycle length, while keeping the limits of calendar prediction visible.
Period Calculator
Enter the first day of your last period, average cycle length, and usual period duration to estimate your next period and preview the following two starts.
Pregnancy Calculator
Estimate current pregnancy timing from the dating source you know best, then review due date, trimester, and milestone dates in one place.
Pregnancy Weight Gain Calculator
Enter pre-pregnancy weight, height, current weight, pregnancy week, and pregnancy type to compare your current gain with BMI-based guidance.
