occurring during or pertaining to the phase surrounding the time of birth, from the twentieth week of gestation to the twenty-eighth day of newborn life.
per·i·na·tal (pěr'ə-nāt'l) adj. Of, relating to, or being the period around childbirth, especially the five months before and one month after birth: perinatal mortality; perinatal care. per'i·na'tal·ly adv.
Main Entry: peri·na·tal Pronunciation: -'nAt-&l Function: adjective : occurring in, concerned with, or being in the periodaround the time of birth <perinatal mortality> <perinatal care> —peri·na·tal·ly/-&l-(l)E/adverb
perinatal per·i·na·tal (pěr'ə-nāt'l) adj. Of, relating to, or being the period around childbirth, especially the five months before and one month after birth.