@Guinealearner1, you originally posted on July 15, and said it had been two weeks since you separated them. That would mean they've been separated at least seven weeks. If she's pregnant, it would be very obvious by now, and you'd be able to see the pups kicking. If you're not seeing that, and if she hasn't been steadily gaining weight (you DO weigh her daily, don't you?), she's not pregnant.