When Did I Conceive Pg1288556566
3 Replies
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I have irregular periods and was smoking before I found out I am pregnant. i've heard you have to minus 2 weeks from conception date when calculating based on due date. I had an ultra sound on October 7th and the ultrasound tech could only see a yolk sac and no fetal pole. she said I was probably only 5 weeks along because of this factor. I then had an ultrasound on october 26th and she dated the baby 8 weeks and 4 days. (due date being june 3rd 2010) When I entered in due date on a few conception calculators it gave me september 3-9th for date of conception. Do these dates include the space for error? also wondering if I was smoking if that could significantly effect the development rate of the baby in the first month? PLEASE HELP
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Those dates for conception seem accurate. Smoking throughout the pregnancy definitely affects birth weight etc., but smoking in the few weeks before you confirmed the pregnancy should not be a cause for worry. GL!
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even if i had my last period at the end of july?? i have very stretched out cycles... usually 35-45 day cycles. does this still make that viable? is it possible for the ultrasound dating to be more then a week off?
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The first trimester ultrasound is considered accurate to within a few days. If you are worrying that an encounter in the first several weeks of August could have been responsible, please forget it. GL!
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