When a woman or a female animal ovulates, her body releases a mature egg from an ovary. In humans this usually happens about once a month, in the middle of the menstrual cycle — though actually the timing is not a perfect clock, and stress, illness, and some medicines can move it or stop it.

When a woman or a female animal ovulates當一個女人或雌性動物ovulate（排卵）的時候 her body releases a mature egg from an ovary她的身體會從卵巢釋放出一顆成熟的卵子 In humans this usually happens about once a month在人類身上，這通常一個月發生一次 in the middle of the menstrual cycle在月經週期的中間 though actually the timing is not a perfect clock不過其實時間點不是準到像時鐘一樣 and stress, illness, and some medicines can move it or stop it壓力、生病、某些藥物都可能讓它延後或停止

Ovulating is not the same as being pregnant, and it is not the same as having a period. The period is the lining of the womb leaving the body if that egg was not used.

Ovulating is not the same as being pregnant排卵跟懷孕不是同一回事 and it is not the same as having a period也跟來月經不是同一回事 The period is the lining of the womb leaving the body月經是子宮內膜排出體外 if that egg was not used如果那顆卵沒有被用到的話

People say the word in health class, at the doctor’s, and in apps that track a cycle. It is a biology word, not a rude word, but it is private-body talk, so we use it carefully and kindly.

People say the word in health class, at the doctor's大家會在健康教育課、看醫生的時候 and in apps that track a cycle還有在記錄週期的App裡用這個字 It is a biology word, not a rude word這是個生物學的字，不是不雅的字 but it is private-body talk但它談的是身體隱私的事 so we use it carefully and kindly所以我們會小心、溫和地使用它