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This free due date calculator estimates the due date based on the menstrual cycle, ultrasound, conception date, or IVF transfer date.
Enter date of last menstrual period, gestational age (on today's date or other ultrasound date), date of conception, OR estimated due date to estimate the other dates. Only EDD is affected by cycle length ≠28 days when calculating from LMP, EGA, and EDC.
How Due Date Calculators Work. Computer calculators add 280 days to the first day of a women's last menstrual period (LMP) to reach an estimated due date (EDD). LMP Due Date Formula: LMP + 280 days = EDD. LMP = First day of the Last Menstrual Period EDD = Estimated Due Date.
2 wrz 2022 · Our Due Date Calculator is based on a 28-day cycle (cycles can vary from 20 to 45 days), and your period and ovulation are considered to be the first 2 weeks of pregnancy. As this method is affected by the regularity of your menstrual cycle, the due date predictor is not 100% accurate.
Our innovative Pregnancy Calculator takes your menstrual cycle into account when calculating your conception or due date. You will need to enter the number of days in your menstrual cycle to obtain accurate results.
27 maj 2024 · This due date calculator estimates the due date based on the first day of the last period or the conception date.
This pregnancy calculator uses one of two methods to work out when your baby might be born. If you fill in the start date of your last period, it takes that date and adds 40 weeks (assuming you've chosen a 28 day average cycle). If you've chosen a different cycle, it will add or subtract days based upon that.
