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Board-certified as an OB/GYN with a fellowship in contraceptive research and education, I aim to help people make informed decisions about their health.

I’ve co-authored sixteen editions of Managing Contraception* with over one million copies in circulation. I’m here to answer your questions about birth control.

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Questions and Answers

Could a zinc supplement damage a ParaGard IUD? #1205/14

Q:        Dear Dr. Hatcher, Can a half year or so of zinc supplementation damage a ParaGard IUD or make it less effective?  I’ve come across a few articles saying copper and zinc “antagonize” each other, but those articles are older (70’s and 80’s)...

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