Lazy dad...

Ok I need help. I have a stepdaughter. She's 3. She doesn't live with us but when she visits, he basically makes me do everything for her. If she goes and asks him to do something, he'll tell her to come ask me. He hasn't even dressed her or given her a bath. He claims she won't let him bathe her, but that's her dad. I wouldn't mind but I'm pregnant now and I've been sick basically since she got here so it's harder on me. I need advice.