A member asked:

I am on trinessa, (norgestimate and ethinyl estradiol) can pms symptoms start a week or two before your period?

A doctor has provided 1 answer
Dr. Jeff Livingston answered

Specializes in Obstetrics and Gynecology

Not really: PMS occurs because of the sudden drop of hormones. If you are in the middle of a birth control pack then the hormone levels are consistently staying the same. At the end of the pack when hormone levels fall this is when PMS can occur.

Answered 12/5/2015

1.9k views

Thank

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