Welcome to Just Answer. I am here to try to help you out.
1) Do you know if her rectal temp has fallen or what it is now? This is a primary way to tell if labor is pending. Falls to 99 at 24 hours prior to labor.
2) Is she passing any mucus? or fluids? Usually begins about 12-24 hours before. Occasionally can happen in small amount before that.
She may be having some early contractions -- but may or may not proceed into labor.
The average gestation time is 63 days -- but can be misscalculated. The range of healthy gestation time is between 58-65 days. So she is in range.
Watch her closely. When she starts laying down and doing very heavy breathing and pushing - that will be the start of labor-- then a pup should be produced within 30 minutes -- alllowing no more than 2 hours between pups.
Do be sure that you have spoken to your vet to know when they would want you to call -- usually I liek to have my client call me at the start of labor and then discuss when to call and identify problems.
I hope this information helps!
Please click "ACCEPT" if the information I have provided has been of help so I receive credit for my work. Bonuses are always welcome and appreciated. Thank you.
The above is given for information only. Although I am a licensed veterinarian, I cannot legally prescribe medicines or diagnose your pet's condition without performing a physical exam. If you have concerns about your pet I would highly advise contacting your regular veterinarian