...labour. What should I do?

Its getting very close. Make sure everything is ready for her make sure you have towels ready and all your welping supplies and keep a close eye on her. Watch for her to shiver and shake

I would say she may be close but as long as she comfortable not to worry. My dog started panting 12 hours before first puppy, my other dog showed no signs just went outside thinking she had to go potty and oops a baby.good luck