Blood clot risk lower for estrogen-only, transdermal, and vaginal estrogen at menopause

A Swedish population study is helping answer lingering questions about hormone therapy safety. The study shows that estrogen-only therapy carries a lower risk of blood clots than combined estrogen-progestogen therapy, but there is no significantly increased risk of clots with combination therapy when the estrogen is transdermal, and vaginal estrogen doesn't raise the risk at all.

https://www.sciencedaily.com/releases/2016/03/160330085613.htm

Source: ScienceDaily Headlines - March 30, 2016 Category: Science Source Type: news