"puerperium" in the noun sense
1. puerperium
time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved
"a perinatologist cared for her during the puerperium"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License