When does false pregnancy in dogs start?

I have a female dog that I think is pregnant. She is always sleeping, she eats and drinks a lot, her teats are bigger, she is also putting on weight. She is in her 33 day if she is pregnant.When does false pregnancy in dogs start?
If she tied, then you can be almost sure she is pregnant. Most false pregnancies are in dogs that did not mate. if a dog appears to have a false pregnancy, but did tie, then it is usually a disease that killed the pups rather than an actual false pregnancy.When does false pregnancy in dogs start?
A false pregnancy normally begins immediately after heat.





At 33 days you should be able to fee pups moving inside her belly. When she's laying down quietly and comfortably, lay your hands on her belly and wait for movement. It will be pretty obvious when one moves.
right after a heat