After walking, feelings of heaviness and pain in the legs, the appearance of unsightly blue "knots" on the skin, visible vascular "stars," and painful cramps - all these signs indicate varicose vein enlargement. According to statistics, more than half of women suffering from varicose veins notice the first symptoms of this condition during pregnancy. This is a common condition that affects individuals of both sexes, but why do women suffer from varicose veins more often?