Opinions on moving?

danirose. • emilia belle 02.08.16 evangeline lee 08.28.20
Sorry this is a bit long, but any opinions are greatly appreciated!
So I'm now 7wks pregnant & we just told his mom. My husband and I live 200 miles from his parents and most of his family lives around the same area. The only family I have is my sister & she lives about 90 miles from us. Neither of us have any close friends or family nearby. His mom has always said when I get pregnant she'll come live with us for a little while to help out (she just retired in January.) Now she's suggesting we come move in with her.
Some background: my husband works on ships so he's gone for half the year. He will be home for about a month after the baby is born and then will be gone for 4 months. I will not be a SAHM which means I will need a babysitter and I work nights so I imagine that's going to be difficult to find. We are moving out of state next summer (right after he comes home from work) so that's already planned out as well.
I would love to move in with his parents because not only would it be so helpful and I wouldn't need a babysitter, but we will save so much money on rent which will help us save more for moving. The issue is our current lease ends this July 31 but we already had to re-sign for next year. Our options are figuring out if we can somehow take back our re-sign and leave at the end of July, or somehow break our lease next year and move in like March which is about 5 months short of our lease. We live in a complex owned by a company so I know either way we will either have to pay penalties, or ruin our credit in order to break the lease. We are trying to weigh the pros and cons of each scenario.
What do you all think? Is it worth it? Should we move in with his parents? Or just stick it out where we are until next year?