15 Surprising Ways Pregnancy Transforms Your Body --- and Your Mind

6. Swollen Feet? Blame Gravity (and Your Uterus!)
Notice your feet and ankles looking a bit puffier than usual? As your baby grows, your uterus puts pressure on a major vein called the inferior vena cava, which makes it harder for blood to flow back up from your legs. Add in all the extra fluid your body is holding onto, and voilà --- swollen feet. Pro tip: putting your feet up and staying hydrated can help!