Accuracy of early pregnancy dating scans
For most mums-to-be, the first scan will be a dating scan at between 10 weeks and 13 weeks plus six days of pregnancy.However, the timing of your first scan will also depend on how your pregnancy is going, and where you live.
It's amazing to see the little blob with a heartbeat that will soon become your baby.This is because blood tests for Down syndrome are not very accurate if you are having more than one baby.Instead, you will be offered a nuchal translucency (NT) scan.Nuchal translucency can be measured from 11 weeks to 13 weeks plus six days, or when the head-to-bottom measurement (CRL) is 45mm to 84mm. Antenatal Screening for Down's syndrome, setting standards to improve women's health. Soc Sci Med 59(7): 1397-408 @poppypaul I have a similar case. The dr has told me to prepare for the worst just in case and was telling me things like it's not my fault and it happens to a lot of women.This estimates the risk of Down syndrome and other chromosomal abnormalities. National Institute for Health and Clinical Excellence, clinical guideline 62. The doctor has asked to check for any bleeding and to stay positive. She was talking like that's what was definitely going to happen which has scared me and Iv been inconsolable!
Not all units offer an early scan if all is going well in this pregnancy, though.