We use it to mean the period of time all throughout pregnancy as well as the baby's first year. (postpartum.net)
This usually means a period of about three - six months of training. (fitnessandpower.com)
The judge said that a rest period merely means any period which is not working time and that that is so irrespective of where the worker is or what he is doing during it. (newlawjournal.co.uk)