A healthy pregnancy should last for 280 days or 40 weeks. You can calculate your delivery date using either the date of your last menstrual period (LMP) or the date of conception.
Once you’ve calculated your due date, you can get a better idea of when to expect your little one and start to plan accordingly. If you haven’t done so already, one of the first steps to take is to schedule an appointment with your doctor, who can confirm that you're pregnant via...
Your due date, also known as your estimated date of delivery, is the approximate date your labor might begin. Your estimated due date is commonly calculated by adding 280 days (40 weeks) tothe dateof the first day of your last period, using Naegele’s rule. This may vary if you have...
As a woman's pregnancy progresses, fetuses develop at different rates, which is why an estimated due date from an ultrasound measurement during the second trimester is less accurate. (And why I probably shouldn't be taking my second "due date" very seriously.) As much as technology has impr...
woman's cycle is irregular, the LMP method may not provide an accurate due date. Additionally, the LMP method does not take into account the variations in pregnancy length that can occur from one woman to another. As a result, the due date calculated using this method may not always be ...
Is pregnancy nine or ten months? Forty weeks is actually a little more than 9 months. For example, if your last period started on January 1, your due date would be October 8. So that's more like nine months and one week (or even longer if you go past your due date). ...
How do I calculate my due date? Why is pregnancy calculated from your last period? show all Your pregnancy countdown can get jumbled pretty quickly. Are you 13 weeks pregnant or in week 14? First trimester or your second? Three months pregnant or four?
To confuse matters even more, gestational age is calculated based on your last menstrual period (LMP) instead of your conception date.2By the time you receive a positive pregnancy test, you're usually about4 weeks pregnant. The truth is that a full-term pregnancy lasts between nine and 10 ...
During your prenatal checkups, your healthcare provider will monitor how far along you are. Don't be surprised, though, if your provider gives you a slightly different due date than the one you calculated. Also, most babies don't arrive exactly on their due date. Every pregnancy is unique...
How is my EDD calculated? Your EDD is calculated from the first day of your LMP. But when the date of the LMP is uncertain, anultrasound exammay be done during the first trimester to estimate the due date. If you have hadin vitro fertilization, the EDD is set by the age of the emb...