3 doctors weighed in:
If you change the time of day when you take your birth control, does that make it less effective?
3 doctors weighed in

Dr. Ralph Morgan Lewis
Family Medicine
2 doctors agree
In brief: Possibly
Some women's cycle is so sensitive that changing the time of day for taking it can alter periods until the new regimen is established; so it's best to use a backup method of protection for at least a month.

In brief: Possibly
Some women's cycle is so sensitive that changing the time of day for taking it can alter periods until the new regimen is established; so it's best to use a backup method of protection for at least a month.
Dr. Ralph Morgan Lewis
Dr. Ralph Morgan Lewis
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