Pregnancy and the Feet – Swelling, Arch Changes, and Relief
Understand foot swelling, arch changes, and pain during pregnancy. Learn relief strategies and what changes are permanent from CFFAI podiatrist Dr. Carli Hoover.
By Dr. Carli Hoover, DPM
Pregnancy and the Feet – Swelling, Arch Changes, and Relief
You're expecting. Congratulations! You've read about morning sickness, back pain, and hormonal changes—but has anyone mentioned what happens to your feet during pregnancy? The physical changes of pregnancy extend far below your growing belly. Your feet swell, your arches flatten, your shoe size may permanently increase, and you might experience heel and foot pain you've never had before. These changes are not uncommon complications; they're normal consequences of pregnancy's physical demands. At Central Florida Foot & Ankle Institute, Dr. Carli Hoover works with pregnant patients throughout Florida to help them understand these changes and find relief. Let's explore what's happening to your feet and what you can do about it.
Why Pregnancy Changes Your Feet
During pregnancy, your body undergoes dramatic physical changes. Much attention goes to the baby and the uterus, but pregnancy affects your entire body, including your feet.
Weight gain: You're gaining 25–35 pounds (or more), which increases pressure on your feet significantly. Your feet were designed to support a certain load; increased weight means increased stress.
Hormonal changes: Pregnancy hormones—particularly relaxin—soften ligaments throughout your body. This is necessary to allow your pelvis to expand for birth, but it also affects ligaments in your feet. Loosened ligaments cause arch collapse and increased foot motion.
Fluid retention: Pregnancy causes fluid accumulation throughout your body, not just in your legs. Your feet absorb this fluid, causing swelling. The MedlinePlus foot-leg-ankle swelling page puts pregnancy on the standard edema list, with a caution we repeat in clinic: more than mild swelling, or a sudden increase, needs a same-day call—not just bigger shoes.
Postural changes: Your changing center of gravity and increased belly alter your posture. Your body leans forward slightly, shifting pressure toward the balls of your feet.
Increased circulation: Your body produces more blood volume to support the pregnancy, leading to additional fluid in tissues, including feet.
These factors combine to create noticeable foot changes—usually beginning in the second trimester and often intensifying as pregnancy progresses.
Swelling: The Uncomfortable Truth
Swollen feet and ankles are nearly universal in the third trimester. Mild swelling is completely normal; significant swelling warrants discussion with your obstetrician (to rule out complications like preeclampsia), but simple swelling is expected.
Why it happens: Fluid shifts downward throughout the day, accumulating in your lower legs and feet. Sitting or standing for extended periods worsens swelling. Lying flat helps relieve it overnight, which is why swelling is often worse in the afternoon and evening.
Managing swelling:
Elevate your feet: Prop them up regularly throughout the day, especially in the afternoon and evening. Elevation above heart level is ideal for lymphatic drainage.
Compress: Maternity compression socks or mild compression stockings improve circulation and reduce swelling. Wear them during the day.
Stay active: Gentle movement and stretching—walking, prenatal yoga, swimming—improve circulation and help manage swelling. Prolonged sitting worsens it.
Hydration: Counterintuitive but true: drinking adequate water actually reduces fluid retention. Dehydration causes your body to hold onto fluid.
Cold therapy: Cold reduces swelling temporarily. Soak feet in cool (not cold) water for 15 minutes.
Reduce sodium: Excessive salt intake increases fluid retention. Moderate sodium consumption helps.
Proper footwear: Tight shoes compress feet and worsen swelling. Loose, supportive shoes accommodate swollen feet.
Massage: Gentle foot and ankle massage (or have your partner do it!) promotes circulation and feels wonderful.
Unfortunately, you can't eliminate pregnancy swelling entirely, but these strategies reduce it significantly.
Arch Changes and Foot Spreading
While swelling is temporary and resolves after delivery, some changes to your feet may be permanent. This is the reality no one discusses before pregnancy.
Arch flattening: Relaxin softens arch ligaments, allowing arches to flatten. Combined with weight gain and pressure on the balls of the feet, your feet widen and arches lower.
Foot spreading: Many women experience permanent increases in shoe size. This isn't just swelling (though that contributes); the actual foot structure changes. Your feet become slightly wider and longer. Most women who had size 7 feet before pregnancy might need size 8–9 afterward.
Heel changes: The heel fat pad (a natural cushioning structure) thins during pregnancy, making heels less comfortable. This change may also be permanent.
These structural changes happen because relaxin's effects persist. Unlike swelling, which resolves, ligament laxity may remain to some degree. This is why many women need new shoes permanently after pregnancy.
Heel Pain and Plantar Fasciitis
One of the most common pregnancy foot complaints is heel pain—specifically plantar fasciitis. This condition involves inflammation of the plantar fascia, the band of tissue running across the bottom of your foot.
Why it develops during pregnancy: Weight gain increases pressure on the plantar fascia. Flattening arches stretch the fascia excessively. Hormone-induced ligament laxity allows excessive foot motion, stressing the fascia.
Symptoms: Pain on the bottom of your heel, particularly with the first steps in the morning or after sitting for extended periods. Pain typically improves as you move but returns after rest.
Management during pregnancy:
Supportive shoes: Wear shoes with good arch support and heel cushioning. Avoid flip-flops and unsupported sandals.
Arch support: Orthotic inserts or custom insoles provide additional arch support, significantly reducing plantar fasciitis pain.
Stretching: Calf stretches help—tight calves worsen plantar fasciitis. Gentle, regular stretching provides relief.
Night splint: Wearing a splint that keeps your foot in a stretched position overnight prevents the fascia from tightening overnight, reducing morning pain.
Ice: Cold compresses on your heel 15 minutes several times daily reduce inflammation.
Limit impact: Avoid high-impact activities. Walking is fine; running and jumping should be avoided.
Proper rest: Elevate your feet, reduce time on your feet, and get adequate rest.
Professional care: If self-care isn't sufficient, your podiatrist can provide additional treatments—usually safe during pregnancy.
Plantar fasciitis often improves after delivery as weight decreases and hormone levels normalize. However, if it persists, continued treatment may be needed.
Shoe Selection During Pregnancy
Finding comfortable shoes becomes critical as your feet change. Shopping for maternity shoes is difficult because you don't know your final shoe size yet.
Shoe characteristics that help:
- Loose fit: Don't buy tight shoes expecting to "grow into them." You're likely growing right now.
- Good arch support: Essential for managing arch changes and heel pain.
- Cushioning: Extra cushioning in the heel and ball of the foot reduces pressure pain.
- Adjustable closure: Velcro or lace closures allow you to adjust tightness as swelling fluctuates. Slip-on shoes are restrictive.
- Wide toe box: Pressure on toes exacerbates swelling and pain.
- Low heel: Very high heels change posture and increase foot strain. Moderate 1–2 inch heels are more comfortable than flat or very high.
What to avoid:
- Flip-flops (no arch support)
- Tight shoes
- High heels (alter balance and increase foot strain)
- Unsupported sandals
- Shoes you have to squeeze into
You may need to buy new shoes multiple times during pregnancy as your feet change. This isn't ideal financially, but comfortable shoes are worth the investment—foot pain affects your entire pregnancy experience.
Activity During Pregnancy: Keeping Your Feet Happy
Staying active during pregnancy benefits your overall health and foot health, but modify your activity appropriately.
Good choices: Walking, swimming, prenatal yoga, stationary cycling, and other low-impact activities. These maintain fitness without excessive foot stress.
Avoid: High-impact activities like running, jumping, or intense aerobics. The combination of loosened ligaments and extra weight makes your feet vulnerable to injury.
Pacing: Don't overdo it. Pregnancy fatigue is real. Listen to your body and rest when needed.
Moderate activity throughout pregnancy typically leads to better foot health than either extreme inactivity or intense exercise.
Post-Pregnancy: What Changes Resolve
Once you deliver, changes begin reversing. However, the timeline is important:
Swelling: Usually resolves within days to weeks after delivery as fluid normalizes. If swelling persists significantly beyond a few weeks, discuss with your doctor.
Hormones: Relaxin levels drop after delivery, but it takes months for effects to fully wear off. Ligaments gradually re-tighten over the first 6–12 months postpartum.
Weight: Weight loss takes time but typically shows benefits for foot health within weeks to months.
Arch structure: Some arch recovery occurs as weight decreases and hormones normalize. However, complete recovery to pre-pregnancy arches isn't guaranteed. Many women's arches remain somewhat flatter.
Shoe size: Some women return to pre-pregnancy shoe sizes; others remain larger. This often becomes apparent by 3–6 months postpartum.
Pain: Plantar fasciitis and other pain usually improves significantly postpartum. However, if structural changes persist, pain management may be needed long-term.
When to Seek Professional Help
Contact Central Florida Foot & Ankle Institute if you experience:
- Severe heel or foot pain interfering with walking or activity
- Swelling that doesn't improve with conservative measures
- Swelling that seems asymmetric or concerning
- Any foot injury or trauma during pregnancy
- Difficulty finding shoes that accommodate your feet
- Concerns about permanent foot changes after pregnancy
Dr. Carli Hoover is experienced in treating pregnant patients and understands pregnancy-specific foot issues. Most treatments are safe during pregnancy, and we modify care as needed to protect both you and your baby.
Looking Forward
Your feet have carried you through life and will carry you through pregnancy and beyond. The changes pregnancy causes are usually temporary or manageable. However, understanding what's happening and taking proactive steps makes the experience more comfortable.
If you're experiencing foot pain, swelling, or other concerns during pregnancy, don't assume they're just something to endure. Professional help can provide relief and ensure you enjoy your pregnancy as much as possible.
Central Florida Foot & Ankle Institute serves pregnant patients throughout Orlando, Altamonte Springs, Longwood, Lake Mary, and Sanford.
Call (407) 307-0006 today or book at https://floridafai.intakeq.com/booking to schedule your pregnancy foot care evaluation with Dr. Carli Hoover or our team. Let's keep your feet comfortable so you can focus on enjoying your pregnancy.