Is it normal for only my feet and ankles to swell?

Yes. Gradual swelling in both feet and ankles that worsens late in the day and improves with rest is the most common pattern in pregnancy. Swelling that is sudden, affects the face or hands, or shows up in only one leg is the pattern that needs a same day call to your provider.

When in pregnancy is swelling most concerning?

Preeclampsia usually develops after 20 weeks of pregnancy and can also appear after delivery (ACOG). That means new or sudden swelling in the second half of pregnancy and in the postpartum weeks deserves extra attention, especially with headache, vision changes, or upper belly pain.

Should I stop drinking water to reduce swelling?

No. Restricting fluids does not fix pregnancy swelling and can make you feel worse. Drink water steadily, rest with your feet up, and talk with your provider before changing your diet or taking anything for swelling.

Pregnancy health

Swollen feet in pregnancy: when to worry and when to rest

May 26, 2026 · 7 min read

If your shoes feel tighter by the third trimester, you are in good company. Some swelling in the feet and ankles is one of the most common and most normal parts of pregnancy. But a small set of swelling patterns can point to something serious, and knowing the difference is one of the most useful things you can learn. This guide walks through what normal swelling looks like, the red flags that deserve a same day call, and how to stay comfortable in the meantime.

Why feet swell during pregnancy

During pregnancy your body makes extra blood and fluid to support your baby's growth, and your growing uterus presses on the veins that return blood from your legs. Gravity does the rest. Fluid pools in the lowest parts of the body, which is why ankles and feet swell more than anywhere else, especially at the end of the day, in hot weather, or after long periods of standing or sitting. This kind of swelling, called edema, is expected and tends to build gradually through the second and third trimesters.

What normal swelling looks like

Normal pregnancy swelling is usually mild, affects both feet and ankles about equally, gets worse over the course of the day, and improves overnight or when you put your feet up. It comes on slowly over weeks, not hours. It is not painful, the skin is not red or hot, and it is not paired with other symptoms like headache or trouble seeing. If your swelling fits this picture, it is uncomfortable but rarely dangerous, and there is a lot you can do at home to ease it.

Red flags: when swelling is a warning sign

Call your provider the same day if you notice sudden swelling, swelling of your face or hands, or swelling that arrives together with a severe headache, changes in your vision such as spots or blurring, pain in the upper right belly, or trouble breathing. These can be signs of preeclampsia, a serious blood pressure condition that usually develops after 20 weeks of pregnancy (ACOG). Swelling in only one leg, especially with pain, warmth, or redness in the calf, can signal a blood clot and also needs urgent attention, since pregnancy raises the risk of blood clots (CDC). If you have severe trouble breathing, chest pain, or you cannot reach your provider and symptoms are getting worse, call 911 or go to the nearest emergency room.

Comfort measures that actually help

For everyday swelling, small habits add up. Put your feet up above heart level for short stretches several times a day. Sleep on your side, which takes pressure off the large vein that returns blood to your heart. Avoid standing or sitting in one position for long periods, and take short walks to keep blood moving. Drink water steadily through the day, since dehydration can make fluid retention worse. Choose comfortable shoes and loose socks, and ask your provider whether compression stockings make sense for you. Cutting salt drastically is not necessary, but going easy on very salty processed foods can help.

Why tracking your swelling matters

Swelling is easy to dismiss in the moment and hard to remember at your next appointment. Was it both feet or one? Did it come on over days or overnight? Did the headache start before or after? Those details change what your provider does next. Keeping a simple daily note of swelling, blood pressure if you have a cuff at home, and any symptoms like headache or vision changes gives your care team a timeline instead of a guess, and it helps you notice a sudden change for what it is.

How Materna helps you keep watch

Materna's Mommy Passport lets you log swelling, blood pressure readings, and symptoms just by talking, in English or Spanish, and keeps them in one record your providers can see. Concerning patterns, like new swelling with a headache, are flagged so they do not wait until your next visit. The patient app is free for patients, always. Materna is an education and tracking tool, not a diagnosis, so anything urgent still means calling your provider or 911.

Learn more about swelling and edema in pregnancy

Frequently asked questions

Is it normal for only my feet and ankles to swell?: Yes. Gradual swelling in both feet and ankles that worsens late in the day and improves with rest is the most common pattern in pregnancy. Swelling that is sudden, affects the face or hands, or shows up in only one leg is the pattern that needs a same day call to your provider.
When in pregnancy is swelling most concerning?: Preeclampsia usually develops after 20 weeks of pregnancy and can also appear after delivery (ACOG). That means new or sudden swelling in the second half of pregnancy and in the postpartum weeks deserves extra attention, especially with headache, vision changes, or upper belly pain.
Should I stop drinking water to reduce swelling?: No. Restricting fluids does not fix pregnancy swelling and can make you feel worse. Drink water steadily, rest with your feet up, and talk with your provider before changing your diet or taking anything for swelling.