Review Of Birth Control And Smoking Weed 2023. However, one review of the literature examining the association found that smoking while taking oral contraceptives could increase nicotine metabolism and the body’s stress response. Research is limited, but some studies show that cannabis affects the cardiovascular system by producing similar effects as nicotine.

These risks increase with age, especially for women over 35. Additionally, prenatal marijuana exposure has been reported to be associated with an increased risk of preterm birth and small for gestational age infants. Web currently, there is no evidence to indicate that marijuana, or cannabis, decreases the effectiveness of birth control.