Can I do Phase & Function if I’m on birth control? Haley October 26, 2022 19:33 Updated Follow Absolutely! Phase & Function will help you to optimize each phase of your cycle, whether or not you’re on birth control. Related articles What is Phase & Function? Is there any equipment I should avoid during pregnancy? Can I do Pvolve during pregnancy? Are there any tips for starting Pvolve post-pregnancy? What is Pvolve? Comments 0 comments Please sign in to leave a comment.