Sam GormanUse this tool to interpret vanishing twin risk by week and twin type. It shows risk now, a short projection to next week, and when to seek care. Vanishing Twin / Twin Survival Probability Twin type: Di/Di (two placentas, two sacs) Mono/Di (one placenta, two sacs) Mono/Mono (one placenta, one sac) Gestational age weeks days … Read more
Use this tool to interpret antral follicle count by age. It gives an age-adjusted percentile, a plain-language meaning, and suggested re-test timing. AFC Percentile by Age (Antral Follicle Count) Age (years) AFC count Count from both ovaries on early-cycle ultrasound. Show advanced inputs Cycle day at scan (if known) On hormonal contraception? Yes No PCOS … Read more
Use this tool to interpret a progesterone test in early pregnancy. Enter your value, unit, and gestational age or days past ovulation to see a level band and next steps. Progesterone Level Interpreter (Early Pregnancy) Units: ng/mL nmol/L Progesterone value (ng/mL) Converter: ≈ 57.2 nmol/L Use gestational age or DPO: Gestational age (weeks + days) … Read more
Use this tool to interpret a low-lying placenta or placenta previa by gestational age, type, and distance from the cervix. It returns an educational resolution probability and a suggested re-scan window. Placenta Previa and Low-Lying Placenta Resolution Calculator Gestational age at diagnosis weeks days Distance from internal os (mm) Report translator: “complete previa” usually means … Read more
Use this tool to interpret a subchorionic hematoma in early pregnancy based on gestational age and size of the sac. It gives an educational risk band, context, and when to seek care. Subchorionic Hematoma Risk by Week and Size Calculator Gestational age weeks days Size input mode: % of sac mm cm Hematoma size (% … Read more
Estimate when ovulation may return after birth using feeding patterns and cycle status. See LAM eligibility, probability by month, first fertile window, earliest reliable test day, and when to consult. Baby & feeding Baby age (months) Breastmilk exclusivity (%) 100 means only breastmilk. Count water and solids as not exclusive. Night feeds (number per night) … Read more
Enter embryo grade and transfer day to estimate implantation and live birth chances for your context. See per-transfer ranges, odds after 1–3 transfers, and multiples risk if transferring two. Egg source Own eggsDonor eggs Egg or embryo age (years) Cycle type IVFICSI PGT status UntestedPGT euploidPGT aneuploid Day of transfer Day 5Day 6Day 3 Embryos … Read more
Enter semen volume, concentration, motility and morphology to calculate TMSC and see classifications against WHO 6th thresholds. You also get a plain-language summary, confounder notes, and when to repeat testing. Semen values Volume (mL) Concentration (million per mL) Total motility (%) Progressive motility (%) Morphology (% normal forms) Morphology method Kruger strictWHO 6th edition (context-based) … Read more
Estimate how soon ovulation and a first period may return after stopping combined or progestin-only pills. See likely fertile windows for the first two cycles, cumulative chances at 3, 6, and 12 months, and the earliest reliable test day. Stopping the pill — basics Pill type Combined pill (COC)Progestin-only pill (POP) Last pill date Months … Read more
Estimate how soon ovulation may return after contraceptive implant removal using your dates and cycle history. See month-by-month probability, first period window, earliest test timing, and care flags. Implant removal Implant type Etonogestrel contraceptive implant (e.g. Nexplanon, Implanon) Removal date Defaults to today if left blank. Years of use Period pattern while using the implant … Read more