n.胎儿，胎

原形：foetus复数：foetuses

The foetus develops rapidly during the first trimester of pregnancy.
这个胎儿在怀孕的第一个三个月里发育迅速。
An ultrasound revealed that the foetus had multiple fingers.
B超显示胎儿有多个手指。
The mother-to-be was concerned about the health of her foetus.
孕妇非常关心她腹中胎儿的健康。
Genetic testing can be done on a foetus in utero.
可以对宫内的胎儿进行基因检测。
The foetus was found to have Down syndrome during prenatal screening.
胎儿在产前筛查中被诊断出患有唐氏综合症。
The foetus's heartbeat could be clearly heard through the womb.
通过子宫可以清楚地听到胎儿的心跳声。
In some cases, a foetus may experience birth defects due to maternal illness.
在某些情况下，孕妇疾病可能导致胎儿出现先天缺陷。
Parents were given the option to terminate a foetus with a life-threatening condition.
父母可以选择终止患有威胁生命的疾病的胎儿。
The foetal development is closely monitored by the obstetrician.
产科医生密切监测胎儿的发育情况。
After a miscarriage, the foetal tissue was sent for medical examination.
流产后，胎儿组织被送去做医学检查。