[header] How to avoid varicose veins during pregnancy [title] Get regular exercise. [step] Varicose veins typically appear in the later stages of pregnancy, when the weight of the baby is pushing down on your pelvis. Try to do low-impact exercises throughout your entire pregnancy to keep your blood flowing and minimize your chance of developing varicose veins. 
Talk with your doctor about what exercises are best for you, especially during late pregnancy. [substeps] Walking and swimming are good low-impact exercises.