This is the 4367th most frequent Chinese word.
怀孕
Pregnancy.
In this sentence, '怀孕' functions as a verb meaning 'to be pregnant'. It conveys the state of being pregnant regarding the subject '她' (she).
她怀孕了，现在需要更多的休息。
She is pregnant and now needs more rest.
Here, '怀孕' is used as a verb within the phrase '计划怀孕' (planning to conceive), expressing the intention of becoming pregnant.
他们在计划怀孕，希望明年可以迎接一个新生命。
They are planning to conceive, hoping to welcome a new life next year.
In this example, '怀孕' operates as a noun within the phrase '由于怀孕' (due to pregnancy), indicating the cause or reason for her action of suspending work.