Re: Conception and Ultrasound -- Unplanned Pregnancy Advice Board

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Subject:

Re: Conception and Ultrasound

Author:
Melanie

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Date Posted: 06/21/07 3:16am
In reply to: Brandi 's message, "Conception and Ultrasound" on 06/20/07 10:09am

Actually, the earlier ultrasounds are more accurate for dating than later ones. Plan B is basically a high dose of an oral contraceptive, and that can definitely affect your periods. At 7 weeks, I seriously doubt your dating will be 4 weeks off. It's usually within 1-2 weeks of the date.

Here is a link on ultrasounds if you want to read more:
http://www.ob-ultrasound.net/

If you have any questions or concerns about the dating and timing, it would be good to discuss this with your doctor, But if your ultrasound was done at 7 weeks, and it was 4 weeks off (as in 3 weeks) they would not have seen the embryo on ultrasound most likely.

Does your bf know about the other guy at all? Is that why you are so concerned?

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Replies:

[> Subject: Re: Conception and Ultrasound
Author: luka [ Edit \| View ]	Date Posted: 06/21/07 5:26pm I agree with Mel Early ultrasounds are much more accurate than later ones. In my experience of pregnancy and i have had 5 children. They were usually acurate within 4 days on the two occasions where i have actually known the date of conception.