When responding to an adolescent girl's inquiry related to emergency contraception,the nurse tells her that the most effective method is which of the following?

A) Levonorgestrel for emergency contraception (LNG-EC) .
B) Ulipristal acetate for emergency contraception (UPA-EC) .
C) Hormonal intrauterine device.
D) Copper intrauterine device.

Emergency Contraception

A method used to prevent pregnancy after unprotected sex or a known or suspected contraceptive failure.

Levonorgestrel (LNG-EC)

A hormonal medication used as emergency contraception to prevent pregnancy after unprotected sex or contraceptive failure.

Ulipristal Acetate (UPA-EC)

A medication used for emergency contraception to prevent pregnancy after unprotected sex or failure of other birth control methods.