prenatal adj. 孕期的;产前的

【例句】
You can go to the hospital cards, and then periodically do prenatal check-up.
你可以去医院建卡了，然后定期去做产前检查。

The status of early prenatal checkup and associated factors among pregnant women in some areas in China.
中国部分地区孕产妇早孕检查状况及其影响因素。