Pregnant women are prone to dull yellow skin and enlarged pores during pregnancy due to changes in estrogen in the body, and can use the following methods for skin care: 1. Choose mild face wash products and try to use pure, natural, chemical-free cleaning products. 2. Stretch marks may appear on the abdomen of pregnant women during pregnancy, and pregnant women should exercise properly to control weight gain. 3. It may also lead to poor skin, it is recommended that pregnant women drink a glass of hot milk before bed and choose a comfortable sleeping position to promote sleep quality. 4, pregnant women can gently pat their faces after washing, and use mild skin care products to gently press after the moisture dries, which helps to moisturize and refresh the skin. 5, pregnant women need to eat more fresh vegetables and fruits during pregnancy, and supplementing vitamin C will help to improve the skin.