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Old 09-27-2011, 12:23 PM   #1
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dates don't add up???

I am so confused on my dates. If you look at my chart it is pretty clear looking that I o'd on 7/14 cd 20. I did O late and was upset since I didn't think we would get preggo. Clearly I did and would have a 4/5 dd going with that date. My OB had a date of 4/1 going by LMP but I was scheduled to have an ultrasound to check dates. I figured it would line up more with the 4/5 date but was 4/2. I tested positive on DPO 8 and I got my VERY faint pos on CD 12. If I go by the ultrasounds I would have been AT LEAST CD 16 and getting that faint of a pos seems weird to me.

I had an ultrasound yesterday at 13wks 1day and while I know the farther along you get the less accurate they are this one had my date at 3/30! They haven't changed my dd but is it possible to have the baby be that much bigger already? Both of my boys have been over 11lbs but I was hoping for a smaller one this time is my chart. anyone see how I could have a different O date??

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Old 09-27-2011, 12:53 PM   #2
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Re: dates don't add up???

To me, it def looks like you O'd on cd20.
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Old 09-27-2011, 05:55 PM   #3
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Re: dates don't add up???

Nope - that is prety clear. Even if it was a bit earlier, it would have been 24 hours or so and it took your body 24 to gain enough progesterone to get a temp jump. You simply have larger babies from day one.
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Old 09-27-2011, 06:41 PM   #4
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Re: dates don't add up???

My U/S last wednesday moved my date up by 6 days. After discussing it with my midwife, I convinced her to keep my date 4/4, because both of my boys have come after my due date (14 days and 8 days late). I know when I O'ed, but this one is just a big baby, I guess!

BTW - statistically, each subsequent child (with the same father) is usually larger than the last one. :-)
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Old 09-27-2011, 06:59 PM   #5
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Re: dates don't add up???

My children have all been smaller at birth.

Anyways, I don't know how to read charts but if you know what happened, you know. I would ask to keep the same due date. You will be monitored every week at that point and if they feel like the baby is too big or you don't have enough fluid, etc. they will let you know then.
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Old 09-28-2011, 11:04 AM   #6
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Re: dates don't add up???

My dates are off too. I'm nursing a 10 month old and had been regular for 3-4 months. I do have a long cycle, but according to the US I must have ovulated 3 weeks late. I know the date of my last period. My babies are always late so it's just buying us some time without the hounding.

As for babies getting bigger, all 4 of mine have been pretty similar. 6.12, 7.12, 8, and 7.6
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