The Danish study, conducted by researchers at the University of Copenhagen, reviewed data from over 1.6 million healthy women between the ages of 15 and 49 who used various forms of birth control. They found a three times higher risk of blood clots associated with hormone-containing birth control pills, compared with non-hormone containing contraception, but surprisingly, an even higher risk for blood clots was linked with other types of non-oral hormonal contraception. Specifically, women who used vaginal rings had a 6.5 times increased risk and women who used patches were at 8 times increased risk for venous thromboembolisms (VTEs), compared with non-users.
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Johnson & Johnson and its subsidiary Ortho McNeil, manufacturer of the Ortho Evra Patch. So far, they have paid $68.7 million to settle more than 4,000 state and federal lawsuits brought about by women who have suffered adverse side effects, from blood clots in legs and lungs to heart attack and stroke, from using this potentially lethal contraceptive device. Ortho Evra has also been blamed for 20 deaths.