Accuracy of pregnancy dating scans dating bandmaster
It is particularly reassuring for women who have suffered a previous miscarriage or ectopic pregnancy.
An early pregnancy scan will: You can have an early pregnancy scan any time from 5 weeks to 11 weeks and 1 day into your pregnancy.
) have been performed hundreds of thousands of times and remain the most popular in the UK.
Our highly accurate* professional opinion is based on a dedicated protocol and experience since 1998 using 2D ultrasound to show parents the sex of their baby.
5 ½ weeks gestation means 5 ½ weeks from the first day of the last menstrual period, which is usually about 3 ½ weeks from the date of conception (confusing, isn’t it!
This is available on the NHS, although not all hospitals routinely offer the more accurate combined test that we use which includes a blood test to increase accuracy to 95% (when performed by a suitably accredited FMF operator) The only way to achieve a 100% accurate diagnosis for Down Syndome is to have diagnostic genetic testing performed via a procedure such as a CVS or amniocentesis. However if you are looking for the most accurate Down Syndrome test but want to avoid the risks associated with diagnostic testing?
Your results are presented in a two-page printed report for you to forward to your GP/midwife/obstetrician.
The details are also securely saved on our fetal database so that we are able to monitor the growth of your baby during future scans.
At the first trimester scan they confirm that the fetus is alive, they assess the gestational age by measuring the crown-rump length and will look for any major problems.
This is a routine ultrasound examination done at 10 to 14 weeks of gestation.