"怀孕"用英语可以说成 "to be pregnant"。这个词来源于拉丁文 "praegnantem"，意思是"抱负的，有抱负的"。下面是一些例句：

She is pregnant. (她怀孕了。)

Are you pregnant? (你怀孕了吗？)

She announced that she was pregnant. (她宣布她怀孕了。)