Here you are, knew I had some info somewhere:
What can I do to prevent or minimize them?
You may be able to prevent them or at least minimize them. Here are some tips:
• 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 cross your legs or ankles when sitting. Don't sit or stand for long periods without taking breaks to move around.
• Sleep on your left side with your feet on a pillow. Wedge a pillow behind your back to keep yourself tilted to the left. 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. Prescription-strength hose, known as graduated-compression stockings, work best and are available from medical supply stores and pharmacies. These stockings are twice as thick as normal pantyhose. Tight at the ankle, they 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. Put them on before getting out of bed in the morning, while you're still lying down, to prevent blood from pooling in your legs, and keep them on all day. These support hose may be bothersome, especially in hot weather, but bad varicose veins can be more uncomfortable.