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Injectable contraceptive can weaken bones (CBC.ca)From: Anna (anonymous@obgyn.net)Sat Nov 20 23:16:48 2004
Hi all, I thought this news article might interest some of you. I found it today at cbc.ca, the Canadian Broadcasting Corporation's news website. I'll be curious to hear what you think. -Anna I'm just going to go ahead and post the whole article here: Injectable contraceptive can weaken bones, company warns Last Updated Fri, 19 Nov 2004 18:35:46 EST (CBC) TORONTO - The manufacturer of an injectable contraceptive is warning teenagers and young women that the drug could permanently weaken bones. Loss of bone density is a side-effect of long-term use of the contraceptive, called Depo-Provera, the U.S. Food and Drug Administration said this week. The FDA added the drug is still safe and effective. Depo-Provera is a hormone treatment that is injected every three months for contraception. Pfizer Canada cautions women not to use the drug while they're teens or young adults because those years are a critical time for bone mass development. The company is working with Health Canada to issue a warning on the drug's packaging. In a statement, the FDA said patients should only use the drug if other types of birth control are not an option or are "inadequate." Depo-Provera packages in the U.S. currently warn women who have breast cancer, liver problems, a past stroke or blood clots in the legs against using the drug. The FDA said it called for a new packaging warning after analysing data on the drug's long-term effects on bone density.
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