Husband drinking a lot

Hi everyone. I'm 33 weeks pregnant and I'm starting to get a bit fed up of my husbands drinking (we are early 30s). We only see each other on weekends and he is consistently going out getting drunk every weekend for the last month. Every time I see him, he asks me to drive him to meet people and I don't see him again until the early hours. He stinks of alcohol and if he doesn't fall asleep there and then, he can be quite rough and clumsy. I haven't touched alcohol since I became pregnant and really reduced my intake in the months when we were trying to conceive.

I feel like he's trying to get away from me and the baby now. We always seem to clash when we're together because I'm irritated by his drinking. If I have energy to do things during the day, he's hungover and can't deal with me. If he falls in the door in the middle of the night I can't stand being near him.

I thought he wouldn't drink as much if I wasn't drinking, but he's started going out a lot more without me. I really don't want him drunk near the baby when the time comes... I figured he would just naturally want to be a good parent. He lectures me a lot about what kind of parent I'm going to be. I just no longer believe everything is suddenly going to improve when the baby arrives.

Has anyone else had a similar experience and did anything change??