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Pregnancy Wheel
Instructions: Please rotate the wheel using your mouse (on a desktop) or your finger (on a smartphone). Align the red arrow (last menstruation) with the date of your last menstrual period. Then read the results according to the information provided in the Pregnancy Wheel.
A reliable tool for expectant mothers to plan their pregnancy journey. Estimate your pregnancy expected due date easily using calculations: First Day of Last Menstruation, Date of Conception, Pregnancy Wheel.
Most pregnancies last around 40 weeks, so typically the best way to estimate your due date is to add 40 weeks, or 280 days to the First Day of your last menstrual period. This calculation is based on a 28-days cycle length of your menstrual period and our calculator will do the adjustment for your estimated due date if you have longer or shorter cycles.
Conception is usually defined as the initiation of pregnancy, that is a date when a baby is conceived, the father's sperm fertilizes the mother's egg. Just add 266 days to get your estimated due date. Or select "conception date" and let our calculator do the math for you.
A pregnancy wheel is a visual tool that helps expectant mothers track their baby's development and important milestones during pregnancy. It is typically a circle divided into three trimesters, with each trimester further divided into weeks of pregnancy. To start, find the number that corresponds to your first day of Last Menstrual Period (red arrow on the wheel) or Date of Conception (black arrow on the wheel). Follow the line, and the number it points to is the estimated due date of your baby.
