Sex steroid drugs:

Question 1

levonorgestrel

Answer 1

up to 72 hours post-coitus.

Question 2

ullipristal acetate

Answer 2

up to 120 hours post-coitus.

Question 3

oestradial

Answer 3

stimulates breast and endometrial growth, stimulates production of progesterone receptors, decreases bone reabsorption, increases HDL levels, increases sodium and water retention and impairs glucose tolerance.

Question 4

medoxyprogesterone

Answer 4

stimulates breast and endometrial growth, maintains pregnancy, inhibits production of oestrogen receptors, fluid retention and mood changes.

Question 5

testosterone

Answer 5

stimulates male secondary characteristics, increased aggression, promotes hair growth and voice changes.

Question 6

COCP

Answer 6

oestrogen inhibits FSH and progesterone inhibits LH, thus suppressing ovulation. progesterone also creates a thick cervical mucus hostile for sperm and implantation.

Question 7

POP

Answer 7

thickens cervical mucus to prevent sperm entry.

Question 8

Clomiphene

Answer 8

inhibits oestrogen binding in anterior pituitary, thus inhibiting the negative feedback needed for ovulation.

Question 9

tamoxifen

Answer 9

binds to oestrogen receptors in the breast, to prevent cell division.

Question 10

mifepristone

Answer 10

partial agonist of progesterone, blocks receptors.

Question 11

raloxifene

Answer 11

oestrogen receptor modulator, acts on bone to cause oestrogenic effects, thus protecting against osteoporosis.