Swelling During Pregnancy: What's Normal and When to Call Your Care Provider
If you've noticed your shoes feeling tighter or your ankles looking puffier than usual, you're not alone. Swelling, also known as edema, is a very common part of pregnancy especially during the third trimester.
While swelling can be uncomfortable, it is usually a normal result of the many changes your body undergoes to support your growing baby. Understanding what's normal and what may signal a problem can help you feel more confident and know when to reach out to your healthcare provider.
Why Does Swelling Happen During Pregnancy?
During pregnancy, your blood volume increases by approximately 40–50%, and your body retains additional fluids to support your baby, placenta, and expanding tissues. These changes help nourish your baby and prepare your body for birth.
As pregnancy progresses, your growing uterus also puts pressure on the veins that return blood from your legs to your heart. This can slow circulation and allow fluid to collect in your feet, ankles, and lower legs.
What Is Normal Swelling?
Mild to moderate swelling is common, especially:
- During the third trimester
- At the end of the day
- After standing or sitting for long periods
- During hot weather
- Following travel, such as long car rides or flights
Many pregnant people notice swelling in their feet, ankles, lower legs, hands and fingers
You may also find that rings become tighter as pregnancy progresses.
Tips for Finding Relief
Although swelling may not be completely preventable, these strategies can help reduce discomfort:
Change Positions Frequently
Avoid sitting or standing in one position for long periods. Take breaks to walk, stretch, and move throughout the day.
Elevate Your Feet
When possible, rest with your feet elevated above the level of your heart.
Stay Hydrated
Drinking plenty of water helps support healthy circulation and fluid balance.
Wear Compression Socks
Compression socks or stockings can help improve circulation and reduce swelling in the lower legs and feet.
Exercise Regularly
Walking, swimming, prenatal yoga, and other pregnancy-safe activities can help promote circulation.
Dress Comfortably
Choose supportive shoes and avoid tight clothing, socks, or accessories that restrict circulation.
Limit Excess Sodium
While you do not need to eliminate salt from your diet, reducing highly processed foods that are high in sodium may help minimize fluid retention.
Eat a Balanced Diet
Including potassium-rich foods such as bananas, avocados, sweet potatoes, spinach, beans, and squash can support healthy fluid balance.
Take Extra Care When Traveling
During long trips, take regular walking breaks when possible and move your feet and ankles frequently to encourage circulation.
When Swelling May Signal a Problem
Most swelling during pregnancy is normal. However, certain types of swelling can be a warning sign of a serious condition and should not be ignored.
Contact your healthcare provider immediately if you experience:
- Sudden swelling of the face
- Puffiness around the eyes
- Sudden or severe swelling of the hands, feet, or ankles
- Rapid swelling that develops over a short period of time
Signs of Possible Preeclampsia
Seek medical attention right away if swelling occurs along with:
- A severe or persistent headache
- Vision changes such as blurred vision, flashing lights, or spots
- Pain in the upper abdomen, shoulder, or lower back
- Sudden nausea or vomiting after mid-pregnancy
- Sudden weight gain
- Shortness of breath
These symptoms may be associated with preeclampsia, a serious pregnancy complication that requires prompt medical evaluation.
Signs of a Possible Blood Clot
Contact your healthcare provider immediately if:
- One leg is significantly more swollen than the other
- You have pain, tenderness, redness, or warmth in one leg
These symptoms may indicate a blood clot and require urgent medical attention.
Signs of a Heart or Lung Problem
Seek emergency care if swelling is accompanied by:
- Chest pain
- Difficulty breathing
- Severe shortness of breath
Trust Your Instincts
If you're unsure whether your swelling is normal, it's always appropriate to contact your healthcare provider. Pregnancy brings many physical changes, and questions are expected. When something doesn't feel right, it's worth checking in.
Most swelling is simply a normal part of pregnancy—but knowing the warning signs can help you get timely care when needed.
References
- American College of Obstetricians and Gynaecologists (ACOG)
- Society for Maternal-Fetal Medicine (SMFM)
- Preeclampsia Foundation
- March of Dimes
Published: June 04, 2026
Tags
PregnancyComplicationsSwellingPregnancy SymptomsPreeclampsiaBlood clot