After taking Ulipristal Acetate for emergency contraception, a woman is advised to use barrier methods until her next period. Why is this important?...

Question

After taking Ulipristal Acetate for emergency contraception, a woman is advised to use barrier methods until her next period. Why is this important?

Accepted Answer

UPA delays ovulation but the woman may still ovulate later in the cycle and is at risk from subsequent UPSI

Answer

UPA causes temporary infertility for the rest of the cycle

Answer

UPA causes cervical mucus changes that increase STI risk

Answer

Barrier methods enhance the efficacy of UPA

Answer

UPA is only effective for 24 hours

uk-dfsrh MCQ (SBA): Post-UPA-EC Pregnancy Risk