Male Infertility

I’m starting to think there something wrong with my husband TTC for 3 months now and nothing is happening we never had a problem TTC but now I’m starting to wonder I went to my Endocrinologist And have test done to see if I’m ovulating I am within normal range so I also have an HSG test done to make sure my tubes aren’t blocked we never had thus problem b4 but in the past 3 years he has been drinking a lot like on a daily basis wondering if this has on his sperm count trying to talk to him about the drinking defensive don’t know what to do!!