When preparing for pregnancy, many women think that dark circles are just a problem of lack of sleep and staying up late, and that concealer can cover them up. However, if dark circles exist for a long time, they have a lot to do with physical health, such as respiratory tract, chronic gastrointestinal diseases, and irregular menstruation. etc. Below, the editor of Babao.com will share with you the reasons for dark circles under the eyes during pregnancy preparation. If you do not truly understand the causes of dark circles, you will never be able to cure the problem of dark circles.