A lot of men, think "get over it" when a woman is ill, they can not comprehend pain and feelings as they will not allow themselves to feel either to a large extent.
They don't mind initially being there, but after a few days, that's it they have had enough and so they make an excuse to get "out of the house" one that you will accept.
Then, they feel neglected, as they have no emotions they are cold, to the idea of illness of their partner, they are extremely selfish and non-giving. And then they receive rejection and can't take that either.
This sounds like a man whom thinks of "himself" and puts "himself" before others in his life, routinely, not just this time round.
I like Littles response regarding the pucking because then he'd have to clean it up and won't like that either......
I am sorry there is no one else there for you over this time, as clearly it is very difficult for you let alone not having that form of total support from your husband.
I would imagine even if you told him you still feel naucious and ill, and you never expected it to last this long and that your having trouble even standing on your feet for longer than 30 minutes, the kids may in that time walk out the front and i'd miss it, that even that wouldn't make him wake up..
But that's worth a try, because maybe he'll think of them crossing the road........
Sorry, get better soon.