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Why does my ultrasound match up with my period? is that true that ultrasounds tell you time since lmp and not conception

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Asked by Anonymous at 5:33 PM on Apr. 29, 2011 in Pregnancy

Answers (2)
  • They measure your baby in weeks I am sure you know that already but yes the 'weeks' start before you ever conceive. They start counting from the first day of you last period. If you are 8 weeks pregnant then you presumable conceived 6 weeks ago even though your you are 8 weeks pregnant.

    Answer by But_Mommie at 5:46 PM on Apr. 29, 2011

  • oh okay so if it was implantation bleeding the ultrasound would know that?

    Comment by Anonymous (original poster) at 9:34 PM on Apr. 29, 2011

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