Pharm

Question 1

levonorgestrel

Answer 1

PLAN B

synthetic progesterone

MOA: not entirely clear, likely causes - feedback to pituitary, suppresses LH surge/ovulation

Question 2

Ulipristal acetate

Answer 2

(Ella)

MOA: progesterone ANTAGONIST, inhib ovulation and renders endometrium inhospital to implantation

Question 3

misoprostol

Answer 3

PGE1 analog

MOA: cervical softening and uterine contractions

*can be used w/o other agents

Question 4

mifepristone

Answer 4

Anti-progesterone

MOA: binds progesterone receptor w/ greater affinity, without activating it –> w/d of progesterone support during early preg –> separation of implant site, uterine contractions, expulsion of embryo