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by my ultrasound my due date is july 25.. when did i have sex?

By February 9, 2011 - 6:16pm
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Thank you! I am 16 weeks and a couple of days.. I got my first ultrasound at 7 weeks.. that's when I got the due date of july 25 2011.. It would really help to know atleast the week I had sex that got me pregnant?? Is there a way of getting that day from the due date?? What should I do to get the day of actual sex?? I'm confused from all the info I have heard about sperm living for 5 days and adding 7 days?? I might be trying to look way into this but its important to me to have a real good understanding about this and what's going on with me.. just the way I am.. might sound a little crazy :) thanks so much for your help..

February 10, 2011 - 8:52am
(reply to username)

My period is all over the place but mostly, if I remeber correctly, it was close to the end of the month and lasted a good 6 or 7 days and ended right before the next month.. so, I think to clear all up I just need to know the date of actual sex?

February 10, 2011 - 8:57am

I assume you would like to know when you conceived?

Calculating Conception Date:

In a Typical Pregnancy: For a woman with a regular period, conception typically occurs about 11-21 days after the first day of the last period. Most women do not know the exact date of conception, and their conception date is merely an estimate based on the first day of their last period.

Calculating Due Date:

Estimated Due Date: Based on the last menstrual period, the estimated due date is 40 weeks from the first day of the period. This is just an estimate since only about 5% of babies are born on their estimated due date.

Ultrasound: The baby can be measured as early as 5 or 6 weeks after the mother's last menstrual period. Measuring the baby using ultrasound is most accurate in early pregnancy. It becomes less accurate later in pregnancy. The best time to estimate gestational age using ultrasound is between the 8th and 18th weeks of pregnancy. The most accurate way to determine gestational age is using the first day of the woman's last menstrual period and confirming this gestational age with the measurement from an ultrasound exam.

Last Menstrual Period: For women who have irregular menstrual periods or women who cannot remember the first day of their last menstrual period, it can be difficult to determine gestational age using this method. In these cases, an ultrasound exam is often required to determine gestational age.
I hope that this information can help you determine when you conceived.

February 9, 2011 - 6:33pm
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