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Category: Newly Pregnant

Asked by Johnandjenny

Q: When was my date of conception?

Hi guys,

So I had a dating scan which said I am 25 weeks, but I am unsure of when I conceived as I had intercourse with someone in the last week of AUgust, and then again with on the 14th September. I had the dating scan because I was unsure of my when my last period was.

This question was asked Feb. 24, 2015 6:21am
Category: Newly Pregnant

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Answered by calvingirl - Feb. 25, 2015 4:02pm
I'm 25 weeks as well, and my LMP date was September 2nd. I DO know when I conceived as I was tracking my cycle, and it was Sept. 13th, so I can say nearly with certainty, that it's the Sept 14th date for you.

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Answered by stickybean1976 - Feb. 24, 2015 6:48pm
I 100% agree. Is say Sept. The doctors knew my dates exactly as I was monitored. I had my last AF July 21st and ovulated roughly 2 weeks later I think it was CD 14 or 15 and then I had my 1st + test at 9dpo. I'm 31w2d and due 27 April. So yes I think Sept for you also. :-)

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Answered by cosmoholic - Feb. 24, 2015 12:34pm
Conception dates are hard to figure out - even with a regular schedule - as sperm can live for a few days waiting for an egg. It's more confusing too because when they say that you are 25 weeks along, you've really only been pregnant for around 23 weeks - they usually start counting on what would have been the first day of your last period, or about 2 weeks before you likely conceived depending on the length of your cycles.

I'm 30 weeks 2 days along and we likely conceived this baby around August 9th (I was tracking my cycles and had a positive home ovulation prediction kit result that day. We were actively trying so got busy frequently in the days leading up to and afterwards). I have a regular 27 day cycle.

Based on that, I'd say it is probably more likely that you conceived in September (just going by 5 weeks from when we conceived is September 13th).

I'm not a doctor though! So you might want to ask your GP to backtrack your dates for you.

Good luck!

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