August 2006 Weddings
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(@) Corpus Luteum stays forever?

I'm sorry I promise this is my last (@) post of the day.


At my first u/s they looked at my ovaries too, and saw what they thought was my corpus luteum left on one of them. I was surprised it was still there, although I realized I never read anything about what happens to them once you get pg.

Then one of my sisters said that they knew someone who studied cadavers in med school, and they took our the ovaries of this one body and they could tell how many children she had becasue they could count all the corpus luteums left on the ovaries.

Who knew?!??!?! 

 

Re: (@) Corpus Luteum stays forever?

  • Yup, that rings a bell somewhere from college. Although I can't remember where I would have learned that much about human repro... it all runs together now.
    imageimageBaby Birthday Ticker Ticker
  • Hmm, this says it goes away at some point in the pregnancy as the placenta takes over:?

    ?http://www.justmommies.com/articles/corpus-luteum.shtml

    fter a woman ovulates, the corpus luteum only lasts for about 12-14 days unless it begins receiving?HCG?(human chorionic gonadotropin) from a developing embryo. If the egg is not fertilized, the corpus luteum dies and progesterone production stops. When progesterone levels drop, the uterus lining stops thickening and is consequently shed during menstruation.

    If the egg is fertilized, the corpus luteum will begin receiving HCG from the embryo. HCG tells the corpus luteum to keep producing progesterone. The corpus luteum lasts for about ten weeks after ovulation. After ten weeks the placenta takes over progesterone production through the end of pregnancy.?

    "I
  • The nerd in me just had to google this :) I always thought the CL shrivels up soon after the placenta takes over hormone production (after 1st tri). Apparently in pregnancy it's enlarged and it sticks around until the baby is born and then by 2 or 3 months it goes away. It might leave a bit of a scar but that goes away with time, too. I didn't see anything that said a CL would stick around forever. I wonder what the med school person was looking at?

  • Maybe me and this med school person are thinking of the scar?
    imageimageBaby Birthday Ticker Ticker
  • here we go - from this oh so official looking page:

     http://www.med.mun.ca/anatomyts/repro/reproov.htm

    If the ovum is not fertilized the corpus luteum degenerates after about fourteen days. The degenerating corpus luteum eventually sinks into the stroma of the ovary as a white scar or corpus albicans. If the ovum is fertilized the corpus luteum is maintained and becomes a corpus luteum of pregnancy. The scar which results from the eventual disintegration of a corpus luteum of pregnancy is larger and persists longer than the scar resulting from a corpus luteum of menstruation. 

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