What is the mechanism of action of Ulipristal Acetate when used for emergency contraception?...

Question

What is the mechanism of action of Ulipristal Acetate when used for emergency contraception?

Accepted Answer

It is a selective progesterone receptor modulator that primarily delays or inhibits ovulation

Answer

It acts as a pure progestogen agonist

Answer

It prevents implantation of a fertilised ovum

Answer

It induces menstruation

Answer

It has an anti-oestrogen effect on the endometrium

uk-dfsrh MCQ (SBA): UPA-EC Mechanism of Action