Ovulation Calculator & Calendar 📅

Enter your last period and cycle length to see your fertile window and likely ovulation day on a simple calendar—plus daily pregnancy odds. Other calculators 🧪 OPK to Ovulation 🌸 PCOS Ovulation 💊 Clomiphene/Letrozole Day 📊 Fertility by Age 🔄 Cycles to Get Pregnant 🔎 Conception calculator All calculators How to Use Our Ovulation Calculator … Read more

Pregnancy Due Date Calculator

Use this pregnancy due date calculator to work out your baby’s estimated due date (EDD), how many weeks pregnant you are, and which trimester you’re in. Enter the date of your last period, conception, intercourse, IVF transfer, or an early ultrasound. Calculate Based On: Last Period Conception Intercourse IVF Ultrasound Last Period DateConception DateIntercourse DateIVF … Read more

Pregnancy Chance Calendar

See your estimated pregnancy odds for each day in a typical cycle. Enter the start date of your last period and your average cycle length (or an ovulation date) to see a research-based calendar of approximate chances. Calendar values are statistical estimates based on research averages and the information you enter. They cannot confirm pregnancy, … Read more

One-Time Pregnancy Calculator: Percent Chance from a Single Encounter

Enter the date and details of one encounter to see a research-based estimate of your pregnancy chance for that single event. The result is a statistical model, not a diagnosis. This calculator shows a statistical estimate based on research averages and the details you enter. It cannot confirm pregnancy, rule out pregnancy, or replace advice … Read more

Advanced Pregnancy Chance Calculator

Curious how your lifestyle and health affect your odds? This advanced calculator lets you add details like age, BMI, and more for a more detailed pregnancy chance estimate. Did we solve your problem today? 👍Yes 👎No ✕ Sorry to hear! What went wrong? Not relevant, didn’t meet my needs Hard to use / Confusing interface … Read more

Combine Contraceptive Method Effectiveness Rates

Go Beyond Statistics: Get Your Personal Estimate Standard effectiveness rates don’t tell the whole story. Our Free Advanced Calculator considers your unique profile—including age, BMI, and lifestyle—to generate our most nuanced and accurate estimate. Calculate Your Personal Odds Our Most Popular Tool Explore Other Calculators 💎 Ultimate Calculator 📅 Pregnancy Chance Calendar 🥚 Ovulation Calculator … Read more

Contraceptive Risk Calculator

Trying to understand your odds of pregnancy with using a contraceptive? Get a quick, baseline estimate in seconds. Had a tubal ligation? Check the tubal ligation failure risk for yearly and lifetime odds. If you’re concerned about a recent single encounter, our ‘Am I Pregnant?’ calculator can help you estimate your chances and understand the next steps. Explore … Read more