A member asked:

I left my birth control pills in the car over night, the night temperature was 20f. are the pills still affective?

A doctor has provided 1 answer

Bcp's/cold inactive?: Bcp's are not inactivated by cold temperatures. It is better to take the active pills at the same time each evening. This helps prevent breakthough bleeding, and sleep disturbances (which can occur b/c of the low dose in the pills) if taken in the AM.

Answered 7/6/2018

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