Compounds of 児

• 新生児溶血性疾患
  (n) hemolytic disease of the newborn (haemolytic)
  erythroblastosis fetalis
• 胎児性別の判定法
  (n) determination of a child's sex before birth (e.g. by ultrasound)
• 幼児突然死症候群
  (n) sudden infant death syndrome
  SIDS
• 虎穴に入らずんば虎児を得ず
  (exp) (arch) nothing ventured, nothing gained