She has had kittens before and I'm really woried I could always tell when she was going to have them and this litter is way off kittens should be born about 24hrs after milk and its been almost 4 days well nights in her case tonight it will be 4 any suggestions yes I know I can't spell

Cats sometimes can go through pseudo(fake) pregnancies. I would book an appointment with your vet to see if she is pregnant.