Boss Reactions

Alison
I'm at the point I had to disclose to my boss, 
He told me my timing couldn't be worse and that was the end of the conversation.
Made me feel like such a burden. I'm surrounded by men at work.
I'm almost showing and I have to lift a lot at work and climb ladders.
I'm a sales manager at an electrical store and was in line for a promotion. Apparently not anymore. 
Anyone else had to deal with this at work? I'm already working 60 hours a week on my feet and beyond stressed