See your cycle day and phase today, plus an estimate of ovulation and a 6-day fertile window. You also get the next two period windows and a suggested test date if your period is late. Last period start date Required. Enter a valid date. Average cycle length, days Typical range is 21 to 45. Windows … Read more

How much does age change IVF success? Use the age-first calculator below, then explore the charts for own-egg and donor-egg IVF. We show per-cycle chances and the total chance across 3–6 complete cycles, plus the key factors that move results up or down. Egg source Own eggsDonor eggs Female age? Enter your age when the … Read more

Age is the strongest single predictor of IUI success. Use this calculator for a quick age-based estimate per cycle and across three tries, then open Advanced to reflect meds, sperm, follicles and timing. Female Age Advanced options Protocol & Cycle IUIs this cycle Single IUIDouble IUI (two inseminations this cycle) Ovulation Trigger Used? YesNo Which … Read more

Classify sperm morphology by entering the percent and selecting the reported method (Kruger strict or WHO 6th). Add other semen values for a plain-language summary and notes on when to repeat testing or seek a review. Morphology percent (normal forms) Method used Kruger strictWHO 6th edition Male age (optional) Volume (mL, optional) Concentration (million per … Read more

Estimate when fertility returns after a 3-monthly DMPA shot (often called the Depo shot) using your last injection date, total injections, and whether a period has returned. Get median and 25th to 75th percentile months to ovulation, probability by month, first period timing, an approximate pregnancy-test date, and a care flag if no period by … Read more

See your chance of at least one live birth from frozen eggs using retrieval age and mature egg count. You also get eggs typically needed at this age and target ranges for one or two children, with an option to estimate two live births. Age at egg retrieval Number of mature eggs (MII) Number of … Read more

Estimate your per-cycle chance using age, time trying, intercourse frequency, known factors, and recent contraception. See a 3, 6, and 12 cycle timeline, the cycles to reach 50% and 80%, and when to consider a fertility work-up. Female age Male age (optional) Average cycle length (days) Trying so far MonthsCycles Enter whole numbers if possible. … Read more

Estimate your ovulation window with PCOS using period history or irregular cycles plus signs like OPK, cervical mucus, and BBT. See probability bands (ovulating now/soon/unlikely), the best next two days to try, when to test, and a tip to confirm if unsure. Last period start date Irregular or no period Leave blank if you do … Read more

Estimate your next period from your last period date and average cycle length, with a window of at least 3 days. You also get two later start dates, your current cycle day, late status, and suggested pregnancy-test timing if late. Last period start date Enter the first day of your last period. Future dates are … Read more

Vasectomy is very effective, but failures can happen—most early (before semen analysis is clear) and rarely years later from recanalization. This calculator estimates annual and cumulative risk bands using your procedure type and time since surgery. It’s educational only; if your partner’s period is late, test early and speak with a clinician. Months since vasectomy … Read more