Beyond a year, we don't know [what happens]. The question is, does the birth control pill imprint on the body a signal to continue making this protein that attaches to the testosterone? If so, these women would have less testosterone.

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If that binding protein is still a bit elevated, you might have a decrease in libido that persists.

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When you put someone on the birth control pill, you block a lot of the ovarian production [of testosterone].

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