Taking Oral Contraceptives
Taking oral contraceptives or birth control pills also affects the veins’ quality and the efficiency of veins to circulate blood. The formation of varicose veins by taking contraceptive veins is mainly due to the relaxing effect of estrogen hormone on the veins and valves, which allow the backward flow of flow in the veins. The relaxing effect on veins can also aggravate the efficient pumping of blood through the veins.