哺乳动物是从母体中分娩出来的。
皮质醇水平最高的是那些通过手术钳或真空抽取而娩出的婴儿。
The highest levels of cortisol are found in those born by assisted vaginal delivery using forceps or vacuum extraction.
医生已经意识到其兄姊以臀位出生的胎儿更可能也以此种方式娩出。
Doctors were already aware that brothers and sisters of babies who presented in the breech position were more likely to do so themselves.
应用推荐