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Hormonal birth control may double risk of stroke, study finds — but don't panic

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Summary
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80% Informative

Hormonal birth control releases synthetic forms of female sex hormones, such as progestin.

These medications and implants alter the monthly menstrual cycle and prevent pregnancy.

Some methods carry higher risks than others, with the exception of intrauterine devices (IUDs) The Danish study analyzed nationwide data from over 2 million women in Denmark .

"These side effects are serious and given that approximately 248 million women use hormonal contraceptives daily , the results carry important implications." Hatty is a freelance journalist.

She previously worked as Food and Nutrition Reporter at Newsweek .

Hatty has a Freelancing for Journalists Award , a Gold-Standard NCTJ and a History degree from the University of Cambridge .