Pregnancy Due Date Calculator
https://www.yourduedate.com/
Your due date is calculated by adding 280 days (40 weeks) to the first day of your last menstrual period (assuming a 28 day cycle). Note that your menstrual period and ovulation are counted as the first two weeks of pregnancy. If you deliver on your due date, your baby is actually only 38 weeks old, not 40. Add 280 days (40 weeks) to the first day of your last menstrual period (LMP), assuming a 28 day cycle. This is the most common method used by healthcare providers. Subtract 3 months from the first day of your LMP and add 1 year and 7 days. This is known as Naegele’s rule. Enter your LMP, gestational age, date of conception, or estimated due date into a pregnancy due date calculator, such as the one at https://www.calculator.net/pregnancy-due-date-calculator.html. This will estimate the other dates for you. Find out the first day of your last menstrual period Subtract 3 months from that 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.
Add 280 days (40 weeks) to the first day of your last menstrual period (LMP), assuming a 28 day cycle. This is the most common method used by healthcare providers.
Subtract 3 months from the first day of your LMP and add 1 year and 7 days. This is known as Naegele’s rule.
Enter your LMP, gestational age, date of conception, or estimated due date into a pregnancy due date calculator, such as the one at https://www.calculator.net/pregnancy-due-date-calculator.html. This will estimate the other dates for you.
Find out the first day of your last menstrual period
Subtract 3 months from that 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.
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