Sounds like you need to do some homework.
feminvstr posted a link to a great article under the Breeder threads entitled whelping management which has a lot of good info. Another good site is
www.debbiejensen.com
You may also want to do ENS, Early Neurological Stimulation to promote development...instructions on
www.breedingbetterdogs.com/achiever.html
don't forget dew claws when you have tails done.
best wishes with the new kids.