 [ Symptoms ] can weak erection causes a low sperm discharge to in pregnant a woman i achieve good erection how do i make it stronger i am thinking that is why my wife is not getting pregnant [ Disease ] most of the evidence for bleeding problems happens on the medications    not after discontinuing them my best guess is that the antidepressants are not the direct effect of the after menses spotting if you are also using birth control pills traveling across time zones can make pills lateearly which contributes to spotting a new sexual partner can initiate chlamydia which causes spotting if the spotting persists i would see your gyn for follow up