Normal hormone,normal male sperm study and normal menses: still can’t conceive then give TRY with clomiphene, that is Antagonist at GnRH receptor at Hypothalamas, Block Estrogen mediated inhibition of GnRH hence Increase release of GnRH>>>>>>inc. LH surge ovulation
Bromocriptine - would be helpful if the pt has infertility due to INCREASE PROLACTIN.
DES - is stopped in US due to clear cell carcinoma in young female born to mother.
Ethinyl estradiol - bind estrogen recepto>>>>>inhibit GnRH >>>>no LH surge: no use
(inc. Risk of endometrial carcinoma)
Medroxyprgestroene - is progestrin —-bind progesterone receptor....is(component of morning after pill)