Advice about Fiance

We've been having issues lately and I'm not sure what to do. As soon as my toddler turned 1 my husband zoned out. Refused to change diapers, refused to feed him, refused to help me with literally anything. He hasnt touched a dish or laundry in a year. I'm 32 weeks pregnant and feel like im doing everything. He started a new job (6am-5pm 6 days a week) and wakes up at 4am. Ive been trying to cut him some slack the last couple weeks because of the stress but our toddler now wants to stay up until 3am screaming. Ive tried every parenting trick I can think of but tonight I was over it and decided to let him cry it out for awhile and just go in every once in awhile and calm him down. My fiance apparently didn't like this and called me every name in the book and said im a horrible mom for letting him cry so I told him to go calm him down then because I really can't handle it. My feet were swollen my body hurts and I was crying. He told me I need to get the fuck up and go handle our toddler so I did. I went and laid with him for over an hour and when I got up he screamed again so I came out to the kitchen and cried and my fiance came up to me and called me dramatic. Im so tired of being treated like this when I do EVERYTHING for this man. Right after this happened our son ended up going to bed and my fiance called me to the bedroom (woke our son up) to yell at me for putting the wrong shirt in his drawer and then threw the shirt at me. Im just so tired of it.