I`ve had live pups at 56 days they didn`t have much hair and soon caught up thanks to mum who fed them constant for first week.As soon as 1 fell asleep she started annoying it to feed.Eyes opened a few days late,I had pups walking around whelping box with eyes closed some got quite good at not bumping their heads.I kept one of the headbangers,it was a great healthy litter.
As for temp, start taking it now at same time each day ,lets you know your girls normal temp,it will go up and down ,read over other post as guide.I`ll be around to help if I can.