Along the way, depending on what is observed, your pregnancy due date may be adjusted. Explore the rest of our site to find out more. Choose your method:. My last period Date I conceived. Tell us a bit more:. 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? For example, 15 5 Day. Cycle length in days Some women's cycles are not exactly 28 days. It may have to do with the size of the fetus or the health of the mother.
Some women will have one baby early and the next baby late. Start tracking your periods including start date, end date and symptoms before you get pregnant so that you can easily tell how far along you are. You can use a calendar or period tracker app, such as Period Calendar, Flo and Clue, all of which are free on iPhone and Android. Read more: The most frequently asked questions about fertility, answered When is it safe to announce your pregnancy?
Being pregnant How far along am I? Photo: iStockphoto. Calculate using your last menstrual period LMP By far, the most common and accurate way to figure out your estimated due date is to take the start date of your last normal period and add days 40 weeks , which is the typical length of a pregnancy.
Calculate using a dating ultrasound A dating ultrasound , which measures the length of the fetus from crown to rump, is an accurate way to estimate your due date or how far along you are if completed within the first trimester the first 13 weeks of pregnancy.
Do I need a dating ultrasound?
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