Medical Questions > Pregnancy Forum > Pregnancy Calendar Conception : When did I Conceive ? Forum

What day did we conceive?

My due date is April 1st 2011. At my first ultrasound they told me I was about 5 weeks pregnant. The first day of my last period was June 8th 2010. The last day of my last period was June 11th. I was having intercourse between June 1st 2010 and June 11th 2010, then again on June 28th and 29th 2010. Do you know what day(s)of intercourse are most likely responsible for the pregnancy? I also had intercourse July 3rd through the 7th. It is really important to my partner and I what day we conceived. Please help.
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replied July 29th, 2010
Especially eHealthy
berry65, With a due date of April 1 you are only 4w 6d pregnant today. It is still a bit early for an accurate dating scan. This is normally done soon after 6 weeks.

With that said, you ovulated around July 9 with this due date. That will mean that intercourse in the July 3 to 7 got you pregnant.

Take care!
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replied July 29th, 2010
Thank you for your reply it is greatly appreciated. If you have time at some point would you be able to tell me how that is figured out. I have read a few different things and am slightly confused on how to determine the conception date. Thank you that would be very kind.

Have a wonderful day. Take care.
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replied July 29th, 2010
Also, sorry. At the ultrasound appointment today the doctor told me a due date of April first and also said it may be a little sooner. Does this change your response?
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replied July 30th, 2010
Especially eHealthy
Berry, I would expect your doctor to give you an accurate date after week 6. Week 6 is really the time when an accurate estimate can be made. Even a few days early will still keep the baby making sex in your July 3rd through the 7th period of sexual activity.

The formulas are really very simple. Your doctor is doing the hard work by determining your due date/gestational age from the scans:

Your due date - 38 weeks will give you your ovulation/conception date.

Your due date - 40 weeks will give you the date from where the gestational age is measured.

Your fertile time was from about your ovulation/conception date - 4 days to a day after ovulation/conception.

Take care!
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replied April 27th, 2011
My due date is november 10, 2011 and yesterday which was april 26, 2011 the doctor told me i was 11 weeks and 5 days. when did i conceive? i had an early ultrasound done and this is how i learned the due date. I wasn't sure as to when the last day of my menstrual was exactly.
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