Do dating scans date from conception
Having a scan in the first few months of pregnancy can be a thrilling experience.
It's amazing to see the little blob with a heartbeat that will soon become your baby.
Without an accurate due date, a blood test at what you thought was 13 weeks wouldn't be helpful if you were 16 weeks pregnant when the blood was taken. National Down's Syndrome Screening Programme for England. I went for a dating scan on Monday 7/9/15 and the Drs dates said I was 7 2 when they did the scan it measured to be 5 4 but it was in the right place.
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...
You probably know when your LMP was, but not when you actually conceived.
If you do know the conception date, this is counted as day 14, and not day one.
However, the timing of your first scan will also depend on how your pregnancy is going, and where you live.
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.
Nearly all scans after 10 weeks can be done through your tummy, and most units ask you to come with a full bladder.
The sonographer will put some gel on your tummy and will move a small hand-held device (a transducer) over your skin to get views of your baby.
You'll be given a report of the scan which will tell you exactly how many weeks pregnant you are.