Baby dating scan
You'll be given a report of the scan which will tell you exactly how many weeks pregnant you are.
Keep it with your maternity notes so your midwife and anyone else involved in your care can see it. This measurement, known as the crown rump length (CRL), is very accurate in the first trimester.
It may lead to you being given a high risk factor when your baby is actually developing normally (false positive result). Kettering: National Down's Syndrome Screening Programme Westfall RE, Benoit C. The rhetoric of "natural" in natural childbirth: childbearing women's perspectives on prolonged pregnancy and induction of labour. On the notes for the dr she put dates don't match not sure of viability of pregnancy...After 13 weeks your baby can curl up and stretch out, so measuring the length becomes less accurate.Then the circumference of the head becomes the best way to measure your baby Some hospitals and private clinics offer a dating and screening scan at the same time.This measures a collection of fluid under the skin at the back of a baby's neck.The dating scan will take between five minutes and 10 minutes.