Re: Earliest survival Dr Lynn? Attn Angie

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Lisa writes

>
>gestational age is from date of conception..pregnancy age is from your
>last LMP which is about 2 weeks more than gestational. If you had a
>funny cycle they adjust it to be two weeks from the conception date if
>they can tell what that day was from ultrasound. I never had a period
>after miscarriage but they did an early ultrasound and determined that
>Oct 7th was the conception date and gave me an adjusted Lmp of Sept
>23rd. I am 31 weeks from that day which is pregnancy age. I would be
>29 weeks from conception, which is gestational age. 23 weeks gestation
>is 25 weeks pregnancy. Sounds confusing but not really. It would be
>easier if they would just stick to one or the other.

Thanks for explaining that Lisa. I was trying to figure out a way to explain that there is definatley a difference with out confusion. Gestational dates vs pregnancy dates become especailly important when you are talking preemie survival. My son was born at 23 weeks of pg but that is only 21 gestation. It gets very confusing when I read preemie stuff because I never know if the moms are quoting gestational age or weeks of pg. My daughter was born at 33 weeks gestational and in the NICU her chart read 35 week baby.

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