Hi. Well, starting with the drinking. That's a pretty serious thing. Consoling yourself and using alcohol during hard times is a real issue. Life will always have ups and downs. Heck, parenting is hard work and if drinking is how you ease tension . . . that inappropriate use of alcohol and self medicating. I'd look for a long term source of self soothing that is healthier than this and do know that this pattern can be destructive. Knowing that you have the potential for a drinking problem is really key and that is something to be absolutely clear BEFORE you have kids. So, I'm glad you are down to a drink a week but that's called "off the wagon". YOu should consider giving up drinking completely, sincerely.
Okay, that's out of the way. You are working with your doctor which is great. I'm sorry about your lost pregnancy and difficulties with hormones/health. Your endocrinologist is the best person to guide you and I would also say that your wife's doctor is also key. Is she a regular ob/gyn or a fertility specialist? But this is another source for guidance for you.
It sounds like you are doing the right things --- have faith it will work. Best wishes to you and your wife!