gestational age

例句：

1. 1.The baby's gestationalage is calculated based on the mother's age and the date of conception.
   根据母亲的年龄和受孕日期计算婴儿的妊娠期。
2. 2. The doctor performed an ultrasound to determine the gestational ageof the fetus.
   医生进行了超声波检查，以确定胎儿的妊娠期。
3. 3. Thegestational age is a crucial factorin determining whether the child will be bornprematurely or not.
   妊娠期是决定孩子是否会早产的关键因素。