pe ‧ ri ‧ na ‧ tal /ˌperəˈneɪtl◂, ˌperɪˈneɪtl◂/ BrE AmE adjective technical
[ Date: 1900-2000 ; Origin: peri- (from Greek ; PERICARDIUM ) + natal ]
at or around the time of birth ⇨ antenatal , post natal :
a high rate of perinatal mortality
pe ‧ ri ‧ na ‧ tal /ˌperəˈneɪtl◂, ˌperɪˈneɪtl◂/ BrE AmE adjective technical
[ Date: 1900-2000 ; Origin: peri- (from Greek ; PERICARDIUM ) + natal ]
at or around the time of birth ⇨ antenatal , post natal :
a high rate of perinatal mortality
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012