There are no long-term studies on the safety of using this drug frequently over long periods of time. Women who experience abdominal pain after taking ella® should be seen by a medical professional right away to rule out ectopic pregnancy which can be very dangerous and even life-threatening without medical attention. ella® may not be as effective if taken with certain drugs, or may change the effectiveness of those drugs. Also, the effect on pregnancies that continue after using ella® is unknown.
Plan B One-Step® and ella® cannot guarantee you will not get pregnant and it will not protect you against HIV/AIDS or any other sexually transmitted infections or diseases.
Pregnancy Resource Center Medical Clinic does not provide or refer for abortion or emergency contraception.
Source: https://beforeyoudecide.info/references/