fetal       
adjective (UK also foetal) uk/ˈfiː.təl/ us/ˈfiː.t̬əl/
 胚胎的
relating to a fetus (= a young human being or animal before birth)
  fetal abnormalities 胚胎异常 
 fetal stages of development 发育的胚胎期 
  - More examples
 - They arranged for her to have regular fetal monitoring.
 - When pain medication is used, the fetal heartbeat has to be monitored.
 - There were signs of foetal distress before the birth.