Obstetric Calculator will help you determine gestational age in weeks and days as well as estimated due date using last menstrual period, ultrasound report, ovulation/IVF and other methods.

This set of tools ans scales contains:
- Estimated Due Date & Gestational Age by First Day of Last Menstrual Period
- Estimated Due Date & Gestational Age by Ultrasound Report
- Estimated Due Date & Gestational Age by Conception Date
- Estimated Due Date & Gestational Age by Quickening (= Fetal Movements)
- Estimated Due Date & Gestational Age from Given Date
- Timeframe for Maternity Leave
- Gestational Age & last menstrual period from Estimated Due Date
- Gestational Age by Crown-Rump Length
- Gestational Age by Fetal Biometry
- Estimated Fetal Weight by Mother's Biometry
- Bishop Score (Quick Cervix Assessment)
- Probability of Successful Vaginal Birth after Cesarean Section (or Trial of Labor)
- Breast Cancer Risk Estimation (Gail Model)
- Cervical Cancer Risk Estimation (ASCCP 2019 Guidelines)
- Ovarian Cancer Risk (O-RADS, ADNEX, ROMA)
- Follow-Up after Colposcopy/Treatment of CIN

Each tool is provided with instructions ("i" in the upper right corner).
This app was designed for educational use by health care providers in the field of Obstetrics & Gynecology.