怀孕阶段 meaning in English
stages of pregnancy
Examples
- A full - term pregnancy lasts from 38 to 42 weeks
一个完整的怀孕阶段持续三八到四二周。 - It must be taken before and during early pregnancy when the neural tube is developing
在神经中枢发育的时候，也就是在早期怀孕阶段，补充叶酸对婴儿很有好处。
stages of pregnancy