the chance of having a pregnancy outside the womb is very low. If you do get pregnant while taking POPs, you have a slightly higher chance that the pregnancy will be ectopic than do users of some other birth control methods.
There is the possibility of negative drug interactions between Jencycla and other Rx or OTC medications, including acitretin / apixaban / aprepitant / alprazolam / diazepam / lorazepam / butalbital / phenobarbital / bosentan / carbamazepine / chloral hydrate / cholestyramine / clobazam / cobicistat...