noun
perinatology
Medical field dealing with the period around childbirth, including late pregnancy, delivery, and the newborn period.
周産期学は、妊娠後期から新生児期までの母子の健康を扱う医学分野です。
Perinatology is a medical field that deals with the health of mother and child from late pregnancy through the newborn period.
Compound of 周産期 (perinatal period) + 学 (study, -ology). The term is a modern medical coinage.