abdominal carbuncle during pregnancy

例句：

1. 1. During pregnancy, the abdomen is enlarged due to the growth of the fetus.
   怀孕期间，由于胎儿的生长，腹部会变大。
2. 2. The patient was taken to the operating room for an abdominal operation.
   患者被送往手术室进行腹部手术。
3. 3.The doctor performed an abdominal scan to check the baby's heart rate.
   医生进行了腹部扫描来检查宝宝的心率。