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

when did i concieve...? confused..???

hya im nearly 28weeks pregnant my due date is 24th ov august this was determined by numerous scans... this means my pregnancy began on the 17th of november which isnt possible as i had a lite period wich started on the 15th of november.. this was also a week late and not a normal period it was jus light bleeding..!! i asked my midwife about what day i concieved and all she said was it goes 2 weeks either way, so what im thinking is that i actually concieved before this lite period is this possible n do you think thats right as i know it can take upto 2 weeks to fertilise an egg but im confused wether a scan is from the day your egg reached your womb fertilised or what..??? the reason 4 this is because i slept with my ex partener on the 6th of november and after i split with him had a 1 night stand with a friend on the 13th of november hu is likely 2 be the dad here????
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replied May 30th, 2011
Community Volunteer
With that due date you conceived around December 1. So sex between about Nov 26 and Dec 2 got you pregnant. If this was determined during a scan close to week 6, it is very accurate.

It is confusing you because the scan is measuring gestational age ( GA), not fetal age. With gestational age, week 0 day 1 is supposed to match some mythical LMP day 14 days before you ovulated and conceived. Our cycles are seldomly perfect so it will only more or less match your LMP date.

Best of luck with your last trimester.
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replied June 1st, 2011
thank you.. so did i not defo conceive before the 17th lol x
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