Which is my conception date?

[SubstanceD]

My due date is 1/22/2015. LMP was 4/24/2014-though I tend to have really short cycles.

Possible dates of conception are either May 1st or May 5th. According to conception calculators the May 5th date is too late for my due date.

So how accurate are they?

[SubstanceD]

Thanks for you answers, and yes I am definitely getting a DNA test when the baby comes but my curiosity was certainly getting the best of me.

Thank you again!

[AnnieBrooke]

The information you are giving tends to suggest May 1.  If your issue is that you are having to choose between two dads, you should still get a DNA test, simply because 4 days apart is really close, but in your shoes I would expect it to show that the first guy is the dad.

[SubstanceD]

I can't remember, i think 6 weeks

[AnnieBrooke]

And how early was your earliest ultrasound?  (I don't mean "first trimester," I mean like 7 weeks 3 days or whatever.)

[SubstanceD]

Yeah it actually is a girl Lol !

[AnnieBrooke]

I would tend to favor the 1st of May if your first ultrasound was in your 6th or 7th week, or possibly the 8th week.  Otherwise, it could be either date, since the margin for error using an ultrasound for dating purposes can be +/- 7 days by the 12th week.  Is the baby a girl?

[SubstanceD]

Hi I got the date from a first trimester ultrasound and every ultrasound I've had since then has confirmed that date.

[AnnieBrooke]

Hi, Substance, how did you get your due date?  And when?  Was it computed from an early ultrasound, or did someone look at a calendar or little wheel?