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Having a Baby: Vitamin D Deficiency Is Tied to C-Sections

Catherine McDiarmid-Watt | Friday, January 02, 2009 | 2 comments

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Vitamin D deficiency may increase the likelihood of having a Caesarean sectionVitamin D deficiency may increase the likelihood of having a Caesarean section, a new study has found.

At the turn of the 20th century, according to background information in the report, deformed bones in the pelvis often led to a C-section, a problem that virtually disappeared with the vitamin D fortification of milk and other foods. But this study, published online Dec. 23 in The Journal of Clinical Endocrinology & Metabolism, suggests that vitamin D deficiency in pregnancy is still a problem.

The researchers studied 253 births at a Boston hospital from 2005 to 2007. After controlling for other variables, the scientists found that women with low blood levels of vitamin D were almost four times as likely to have an emergency C-section as those with normal levels. Vitamin D deficiency has been associated with muscle weakness and high blood pressure, which might help explain the finding.

Dr. Michael Holick, a professor of medicine at Boston University and the senior author of the study, offered straightforward advice for pregnant women. “Take a thousand-unit supplement of vitamin D, available at any pharmacy, on top of any prenatal vitamins you’re taking, so that you’re getting 1,400 units a day,” he said. “There is no downside to doing this.”

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About Catherine: I am mom to three grown sons, two grandchildren and two rescue dogs. After years of raising my boys as a single mom, I remarried a wonderful man who had never had a child of his own. Unexpectedly, I found myself pregnant at 49!
Sadly we lost that precious baby at 8 weeks, and decided to try again. Five more losses, turned down for donor egg, foster care and adoption due to my age and losses - we have accepted that there will be no more babies in our house.

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  1. Just have to leave a comment about the vitamin D -- This is a fascinating study and I am beginning to think there is so much more to it than we ever thought (in terms of what it does in our body). The only thing I am worried about is vitamin D toxicity -- from the sun, you can't get an overdose, but you can through supplements. Another weird thing, I've also read that vitamin D isn't even a vitamin, but a hormone! Here is an article about how to spot vitamin D deficiency symptoms (as well as some good info about vitamin D and women):

  2. Anonymous says:

    Thanks for posting very informative article. This could a lot!

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