Which due date should i use

There is a total of 1 error s on this form, details are below. Please select your last menstrual period. We can't calculate your due date accurately if the date entered for your last menstrual period is more than 9 months ago or is in the future. First day of your last menstrual period LMP : error: This date is invalid Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Year Call us and speak to a Maternal Child Health Nurse for personal advice and guidance.

Find out Sexwise has more information and support. Page last reviewed: 29 April Next review due: 29 April Home Pregnancy Finding out you're pregnant Back to Finding out you're pregnant.

Due date calculator. The calculator on this page can help you work out when you might expect your baby to arrive. When was the first day of your last period? Health Home Wellness and Prevention. An estimated due date can be calculated by following steps 1 through 3: First, determine the first day of your last menstrual period.

Next, count back 3 calendar months from that date. Lastly, add 1 year and 7 days to that date. You may also estimate your delivery date by using the steps 1 and 2 and the chart: First, locate the first day of your last menstrual period in black text.