I went for xrays and the vet says he thinks it's 3 in there!

There was a shadow which could be a 4th but he really thinks 3! The babies are moving around alot and I've been listening to heartbeats for over a week now. The thing worrying me now is that Zoe isn't eating good since yesterday. She wouldn't even touch her breakfast this morning. I even tried scrambling up an egg and she wouldn't touch that either. I think it's pretty normal but I just wish she'd eat a little!