Accuracy 1st trimester ultrasound dating
The disadvantages of performing this examination routinely are related to cost, errors in diagnosing ectopic pregnancies that in fact are intrauterine, increased training requirements for providers, and potential biologic hazards to the fetus that are presently unknown.
He used a condom, I believe I was on birth control (but cant remember for sure), and took Plan B 55 hours later.
I had sex with another partner unprotected for the month of Feb - currently.
I had an ABDOMINAL ultrasound on 4/1 that dated me 7wks, 0d with an EDD of 11/18.
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.
Search for accuracy 1st trimester ultrasound dating:
I had an ultrasound on 4/26 that dated me 11wks, 2d CRL 45mm with EDD 11/12.