jgonz said:
I TOTALLY agree with you OreGal.
I've been shocked at how many moms I know (myself included) are low pregesterone and that's very possibly why we've all miscarried. Being estrogen dominant in this day & age is apparently becoming more common...
And the studies are amazing...here are a couple I've run across (they discuss both synthetic and natural progesterone):
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The role of a single progesterone measurement in the diagnosis of early pregnancy failure and the prognosis of fetal viability.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=7612529
CONCLUSIONS: A single serum progesterone measurement taken in early pregnancy is valuable in the immediate diagnosis of early pregnancy failure and the long term prognosis of viability.
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Use of acetomepregenol in the treatment of threatened habitual miscarriage
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=2774075
Of 104 women treated with acetomepregenol during the 1st trimester, 87 gave birth to normal babies, 8 had miscarriage at 12-27 weeks of gestation, and 9 had premature labor. The only side-effect of acetomepregenol was nausea recorded in 24% of the patients.
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Effects of Vaginal Progesterone on Pain and Uterine Contractility in Patients with Threatened Abortion before Twelve Weeks of Pregnancy
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15731312
conclusion, patients with threatened abortion benefit from vaginal progesterone by a reduction of UCs and pain. The use of vaginal progesterone improved the outcome of pregnancies complicated by threatened abortion and previous diagnosis of inadequate luteal phase.
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Nearly 10,000 preterm births could have been prevented in 2002
http://www.news-medical.net/?id=7567
Nearly 10,000 preterm births could have been prevented in 2002 if all pregnant women at high risk for a premature baby and eligible for weekly injections of a derivative of the hormone progesterone had received them, according to a new study published in the February issue of Obstetrics & Gynecology.
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And, a study showing stress leads to reduction in progesterone levels which leads to miscarriage:
http://news.bbc.co.uk/2/hi/health/4002539.stm
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okay, so there are more than a couple. I tend to research things to death but I've learned so much plus there is a site online with amazing stories of the effect of natural prescription-strength progesterone on pregnancy. Women post their stories there and they made a believer of me.