Ask the Expert: Does Pregnancy Cause Varicose and Spider Veins?

Pregnancy & Varicose Veins

Ask the Expert: Does Pregnancy Cause Varicose and Spider Veins?

Many women first develop varicose veins – or find that they get worse – during pregnancy. As your uterus grows, it puts pressure on the large vein on the right side of your body (the inferior vena cava), which in turn increases pressure in the leg veins.

Veins are the blood vessels that return blood from your extremities to your heart, so the blood in your leg veins is working against gravity. When you’re pregnant, the amount of blood in your body increases, adding to the burden on your veins. And your progesterone levels rise, causing the walls of your blood vessels to relax.

You’re more likely to get varicose veins if other members of your family have had them. They’re more common in women than men, and if you have them, they tend to get worse with each successive pregnancy and as you get older. Being overweight, carrying twins or higher multiples, and standing for long periods can also make you more susceptible.

The good news is that varicose veins tend to improve after you give birth, particularly if you didn’t have any before you got pregnant. And if they don’t get better, there are a variety of ways to treat them.

To help your veins while pregnant:

  • Exercise daily. Even just a brisk walk around the block can help your circulation.
  • Strive to keep within the recommended weight range for your stage of pregnancy.
  • Elevate your feet and legs whenever possible. Use a stool or box to rest your legs on when you’re sitting, and keep your feet elevated on a pillow when you’re lying down.
  • Don’t sit or stand for long periods without taking breaks to move around.
  • Sleep on your left side. Wedge a pillow behind your back to keep yourself tilted to the left and elevate your feet with a pillow. Since the inferior vena cava is on the right side, lying on your left side relieves the vein of the weight of the uterus, thus decreasing pressure on the veins in your legs and feet.
  • Wear special support hose. Graduated-compression stockings, which are twice as thick as normal pantyhose, work best. These stockings are available from medical supply stores and pharmacies. They’re tight at the ankle and get looser as they go up the leg, making it easier for blood to flow back up toward your heart. As a result, they help prevent swelling and may keep your varicose veins from getting worse.

After you give birth there are many non-invasive options to treat the way your legs look and feel. Be sure to consult a specialist for an evaluation and to discuss your options.

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