Wearing contact lenses when pregnant theoretically will not affect the fetus, but it may also affect the fetus if the pregnant woman has a sensitive body or is not wearing contact lenses properly. During pregnancy, the body is more sensitive, the chemical composition of contact lens care solution may cause adverse effects on the eyes of pregnant women, and contact lens wear, improper operation can also trigger eye congestion and edema, resulting in corneal edema, dry eyes, vision loss, tears for no reason, and then inflammation, such as conjunctivitis, keratitis and so on. And some antibiotic drugs for conjunctivitis are prohibited during pregnancy, such as eye drops containing chloramphenicol, tetracycline, and levoflurane components, which will flow into the placenta through blood vessels, and may have a certain impact on the growth and development of the fetus. However, if certain drugs are not applied and left untreated, they will aggravate eye infections and affect health. Therefore, it is not recommended for pregnant women to wear contact lenses during pregnancy, and frames are recommended. Normally, you should pay attention to eye care, keep your eyes clean and hygienic, play with cell phones and computers as little as possible, pay attention to avoiding the eyes being exposed to bright light stimulation, and go to the hospital in time for checkups if your eyes are uncomfortable. In addition, we should pay attention to diet and health and general condition, and do regular pregnancy checkups to prevent the fetus from having diseases or underdevelopment.