胎发生

例句：

1. 1. She is expecting her first child in a few months.
   她几个月后就要迎来第一个孩子了。
2. 2. The couple has been trying for several years to have a baby.
   这对夫妇已经尝试怀孕好几年了。
3. 3. The pregnancy was complicated by morning sickness.
   怀孕过程中出现了晨吐。