Talk to Andrologist on Infertility

Asking for Self, Male, 36 years old, Karachi

Since 2yrs i am trying. I have no issue or symptoms other than unable to have children. Married since i or wife used protection during all this time .but seriously trying to have baby since two years. All these years she got pregnant one time only which got misscarried. Please help. I have done only semen analysis .is there any serious problem with me.?