I'm frankly horrified that your husband could treat you like this ! I don't think you're the one over reacting here . I know for a fact that if my hubby visited strip clubs he'd be looking for somewhere else to live pretty quick smart !
Did he know how much you disliked the idea of strip clubs beforehand? If he did then he was bang out of order to go ahead when he could easliy have gone with the other half of the stag group to another bar . I actually wonder whether the rest of the wives know about what their hubbys have got up with private dances ....you might not be the only one being kept in the dark.
As for the pushing you ....zero excuse for that . He does sound like he's got a temper and while I appreciate that some jobs are very stressful that's no reason to take it out on you . You're at a very vulnerable and emotional time too being pregnant and he should be a lot more understanding.
And as for saying you're not allowed to talk about it ....well that just confirms his rather controlling behaviour in my opinion. I don't suppose there's much chance of you persauding him to get some kind of anger management if his attitude to this is just not to talk about it but I think from what you've described he needs it.
I'm sure lots of women don't mind their OH going to strip clubs ( I'm not one of them ) but you need boundaries in a relationship and he's crossed that line with this and the physical pushing of you , I don't want to add more worries to you but I'd be concerned that that could escalate into something much more serious.
I just feel so sad that you're feeling so miserable at the mo with no one to talk too about it and I'm sure you don't need all this stress. I hope you can work it out and things improve xx