My husband and I are both big people (round and tall) and sex is starting to get uncomfortable. Missionary is painful since week 28, my hips kill me if I'm on top and last night we failed at doggy. It is getting too hard to bend over for that. I haven't been that excited for sex anyway, so it doesn't break my heart.. but I would feel bad to go from here til 6 weeks after birth with no sex for him.