Does marijuana affect birth control?
Yes it can.. On most birth control labels it does say to ask a
doctor before use of alcohol, drugs, and any type of prescription
Pot is not a regulated substance because it is illegal. Therefore, there have been very few studies on its drug interactions. Because it does affect the parts of your brain responsible for hormonal regulation, many people believe that this side-effect tampers with your birth control. However, this is not the case. I found the following site much more eloquent and reliable a source than myself:
No. Marijuana has no effect on birth control.