Re: Causes of miscarriage

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Impossible to know.

>My LP
>is always 12 days which points me towards the chromosome theory rather
>than the hormonal problem.

Not necessarily, but statistically correct.

>Also at what week of gestation does the
>placenta take over the hormone production?

Placenta starts to take over at 8-10 weeks. The corpus luteum (the cyst produced from ovulation) produces progesterone til the placenta takes over which should be in full swing by 12 weeks.

>I usually ovulate at day 11 in my cycle. Is there any chance that I
>could be producing immature eggs which could contribute to a
>miscarriage?

With a 12 day luteal phase and 11 day proliferative phase, it's possible but the only wasy to check on this would be to do an endometrial biopsy and serum progesterone level 7-10 days after ovulation.

>I have a 6 year old daughter and have had no prior
>problems.
>
>Thank you for your time.

--
Harvey S. Marchbein, M.D. FACOG, FACS
Great Neck, New York

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