A client is taking an oral contraceptive (“birth control pil…

A client is taking an oral contraceptive (“birth control pill”) to prevent pregnancy. At the same time she is taking another medication which enhances the rate at which Cytochrome p450 enzymes in the liver metabolize and inactivate the contraceptive in the body. The interaction of the two drugs together is likely to result in which of the following (based only on the information provided in this question)?