Women's Health & Pregnancy
Explore tools in Women's Health & Pregnancy: Pregnancy Calculator, Pregnancy Week Calculator, Ovulation and Fertile Window Calculator. Free browser tools without registration.
Pregnancy Calculator
Estimate your due date from the last period, conception date or a confirmed due date. Adjust cycle length and see pregnancy weeks and milestones locally.
Pregnancy Week Calculator
Calculate pregnancy weeks and days on a chosen date using your period, conception or due date. Includes cycle adjustment, due date and milestones. Data stays local.
Ovulation and Fertile Window Calculator
Estimate ovulation, the fertile window and your next period from cycle length, with six cycles and clear assumptions. Local calculation; unsuitable for contraception.
Period Calculator and Calendar
Estimate your next period and bleeding dates for six cycles, with optional local history, JSON export and clear controls. Gregorian dates; estimates stay in your browser.
Conception Date Calculator
Estimate conception by subtracting 266 days from the due date, or find a due date from known conception. Includes an assumed fertile window; not proof of fertilization date.
Pregnancy Weight Gain Calculator
Calculate pre-pregnancy BMI and reference gain ranges for one baby or twins using IOM and CDC sources. Metric or imperial units and optional local exportable tracking.
Pregnancy Appointment Planner
Build an eight-contact pregnancy schedule from the WHO model, with the first contact within 12 weeks. Edit dates, track completion locally and export an ICS calendar.