This is very common in pregnancy. It is only an issue if your blood pressure is elevated, you are having a headache that won’t go away with rest or Tylenol, you develop severe middle or right upper abdominal pain unrelieved with liquid Maalox or start seeing flashing lights in front of your eyes. These can be indicators of Pregnancy Induced Hypertension and needs to be evaluated in the office or at Labor and Delivery.
Elevating your legs above the level of your heart will make it better, but the swelling will likely return when you get up. Please note that after you deliver, many patients have increased leg swelling for the first few weeks. It takes a while for your body to remove the excess fluid you were carrying to support the baby.