A hangover isn't the only side effect of heavy drinking. As the Huffington Post reports, binge drinking can increase the risk of pregnancy for women on the pill. It's the perfect, yet not-so-sexy, storm of heavy drinking and vomiting, followed by unprotected sex. See, if you vomit shortly after taking your pill, it's no longer in your system. Here are six things to look out for. And always consult your doctor if you have any questions!
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