Nhs dating pregnancy
There's no way to know for sure exactly when you ovulated and conceived.As a result, most people, including health professionals, will date your pregnancy based on your LMP (last menstrual period) instead.Your midwife or doctor will book you a dating scan appointment.It will usually take place at your local hospital ultrasound department.This will give you an estimated date of conception, which will usually be about two weeks after the first day of your LMP.
When a baby is one year old, he has finished his first year of being alive. [Accessed October 2014] With your permission, we'll send you information about our products and services based on what you're looking for via email, our apps, and our site.This is called his crown rump length (CRL), and it gives a more accurate idea of how far along your pregnancy is.You should be offered a dating scan when you're between 10 weeks and 13 weeks plus six days pregnant, based on your LMP. You'll find detailed week-by-week guides and lots of expert videos, parents' tips and interactive tools to explore. Whatever you want to know about getting pregnant, being pregnant or caring for your new baby, you should find it here.
So, that's why Baby Centre, and most health professionals, will be telling you that you've been pregnant for about two weeks longer than you really have been.