What is the dose of ulipristal acetate?
a) 300mg
b) 30mg
c) 300μg
d) 30μg
Correct Answer - B
Ans. B. 30 mg
Ulipristal (Ella) is a progesterone agonist/antagonist marketed for
emergency contraception. It is available by prescription only. Its
mechanism of action varies based on time of administration. When
taken before ovulation, ulipristal delays or inhibits ovulation.
Administration in the early luteal phase may decrease endometrial
thickness and affect implantation of a fertilized egg.
Ulipristal is labeled for use as an emergency contraceptive following
unprotected sexual intercourse or contraceptive failure.
One tablet(30-mg tablet) taken as soon as possible, within 120
hours (five days) of unprotected sexual intercourse or contraceptive
failure