Ulinastat acetate is a new oral emergency contraceptive. It is the active chemical component of Ella, a new generation of emergency contraceptive sold in the United States. It can not only be used within 120 hours after unprotected sexual intercourse, but also the efficacy of emergency contraception chemicalbook will not decrease with the delay of medication time. At the same time, it has good safety and tolerance. Compared with levonorgestrel, the most commonly used emergency contraceptive, ulinastatin acetate has wider clinical applicability and has the potential to prevent more accidental pregnancies.
Ulinastat acetate is a progesterone agonist / antagonist, and its mechanism is to inhibit or delay ovulation.
Application of ulinastat acetate in emergency contraception