Sam GormanEstimate miscarriage risk by week and day. Add age and, if you like, heartbeat, prior losses/births, and BMI for a more precise result. Miscarriage Risk Calculator Estimate probability based on day-specific data Maternal Age Week of Pregnancy Day (0-6) Advanced Factors Optional Have you had an ultrasound? No / Not yet Yes Did you see … Read more
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
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
Enter LMP, due date, or ultrasound to estimate your conception date and likely window. We also show a timeline of key pregnancy dates. Conception Date Calculator Find your estimated conception date using your last period, due date, or ultrasound scan. Last Period Date Due Date Ultrasound First day of your last period Average cycle length … Read more
Enter two beta hCG values and their dates to see your doubling time and rate. Compare your rise to typical ranges and view a chart you can save. Units IU/L mIU/mL hCG Draw 1 Date and time hCG (IU/L) hCG Draw 2 Date and time hCG (IU/L) Enter at least two draws with date/time and … Read more
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
Enter your last period or ovulation date to get a personalized calendar of your likely implantation window and best test day. Estimate your implantation window Ovulation date Last period date Ovulation date The first day of your last period Average cycle length (days) Calculate Implantation Range ➜ Press Calculate to see your personalized Implantation Calendar … Read more
Enter your IUI date to get an estimated due date (EDD) and how far along the pregnancy is today (gestational age). The calculator assumes fertilisation happened around the IUI and adds 38 weeks. If you had an hCG trigger injection to time ovulation, that timing is already built in, because gestational age is counted from … Read more
Estimate your likelihood of twins based on age, family history (maternal side), height/BMI, ethnicity, prior pregnancies, fertility treatment, and past twins. Results show a baseline risk with a fraternal (dizygotic) vs identical (monozygotic) split, using population studies. Basics Female age Prior births Family history of twins? NoYes (female side)Yes (male side)Yes (both sides) Have you … Read more
Trying to pinpoint your due date from a specific event? Whether you know the date of intercourse or your estimated conception date, our calculator accounts for key biological factors to give you the most accurate possible timeline. Intercourse Date Conception Date Date of Intercourse Estimated Date of Conception Calculate Due Date > MON 00 Estimated … Read more