Accuracy of pregnancy dating scans

Posted by / 28-Mar-2016 14:31

You will be able to empty your bladder after the transabdominal ultrasound is completed and before the transvaginal ultrasound begins (if transvaginal ultrasound is required).Sometimes the results of a first trimester scan may be inconclusive or uncertain, and need to be combined with your clinical history and blood tests (serum Bh CG).Transvaginal ultrasound is safe and commonly performed during all stages of pregnancy, including the first trimester. Transabdominal ultrasound involves scanning through your lower abdomen.A small amount of ultrasound gel is put on the skin of the lower abdomen, with the ultrasound probe then scanning through this gel.Your bladder should not be so full that it causes pain.

You will always have a choice about whether transvaginal ultrasound is performed.

Hi, I have just had my 12 week scan, which showed I'm now 14 1. Lol dunno how that would happen but I don't mind it's a week less to wait and meet the baby xx Thanks for that it's made me feel a little less like I'm being really stupid!

I'm really confused as my the first day of my last period was 17th Feb, and the the first time having sex was monday 29th (I only remember this as he works away a lot) I'm really confused as counting back 14 weeks from now, puts me at 22nd Feb, which is impossiblreally as we had sex on the 29th? Am I being really thick here as I can't get my head around it and Google isn't being very helpful, thank you! Going by the scan it'd mean I conceived before I even had sex...

The gel helps improve contact between the probe and your skin. It involves scanning with the ultrasound probe lying in the vagina.

Transvaginal ultrasound usually produces better and clearer images of the female pelvic organs including the developing pregnancy, because the ultrasound probe lies closer to these structures.

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