The times when a woman's progesterone levels are highest (during ovulation and pregnancy) are also the times most women experience increased sex drive.
However, I did some research and it seems that when dostinex reduces the secretion of prolactin in female rats, the estrogen/progesterone ratio is increased. This would potentially decrease sex drive in women.
regarding deprenyl, the site I found for it on the web state that it will increase libido in men but does not mention women.