Thank you for this wonderful site. I searched your forums but did not see this particular topic. My Siamese gave birth 12 weeks ago. I had planned to start breeding, but about six months ago I relocated to a smaller home and realized i really didn't have the space to house my male. I had made his neutering appt but they decided to go ahead anyway! So, he was neutered and she had her litter. Two weeks ago, she went into heat and he mated with her! It looked and seemed like the real thing, just like the last time.. She rolled around on the floor, stopped calling, all that. I can't tell if her nipples have "Pinked up" because she still occasionally nurses her kittens, who are scheduled to go this week. We need a pregnancy test! I know males can still perform after neutering, even if sterile. Could she think she is pregnant? Could the neutering have been incomplete? She appears to have filled out but that might be recovering from the delivery?