What the fuck do I do?

My husband said he was going out to have a few beers with some buddies. For safety reasons, we have a tracking app on our phones in case something happens to the other. Hours later, he hadn’t contacted me in a bit so I checked the app (nervous about drinking and driving) and it said he was 30 miles away. I text him and he says he’s going to a mall 70 miles away. He’s clearly drunk and says someone else is driving. It’s almost midnight so I didn’t believe that mall story for a second but I said okay. His buddies, including the married ones, tend to go to strip clubs and fuck the strippers. Soon after, I notice he has turned his location sharing off on the app. I spent the day in the hospital, 35 weeks pregnant with signs of preeclampsia and contracting and am now recovering at home. He won’t pick up his phone now and I don’t know what to do.