full-term       
adjective  medical specialized uk/ˌfʊlˈtɜːm/ us/ˌfʊlˈtɝːm/
 孕期完整的
involving a pregnancy that lasts for the normal amount of time, around 40 weeks in humans, before the baby is born
  a healthy full-term infant/baby 孕期完整出生的婴儿/小宝宝 
 full-term births/pregnancies 孕期完整的分娩/怀孕过程 
 IVF babies are often underweight, even when they are full-term. 体外人工受精后出生的婴儿往往体重比正常的低,即使孕期是完整的。