Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

Quick Answer

Pregnancy causes significant foot changes including swelling, arch flattening, increased shoe size, and plantar fasciitis. Hormonal changes, weight gain, and altered biomechanics affect nearly every pregnant woman’s feet. Dr. Tom Biernacki at Balance Foot & Ankle provides safe, effective foot care throughout all trimesters.

Why Pregnancy Changes Your Feet

The hormone relaxin loosens pelvic ligaments for delivery but also affects foot ligaments. As these become more lax during the second and third trimesters, the arch gradually flattens under increasing body weight, resulting in foot elongation and widening that can increase shoe size permanently by half to full size.

Pregnancy weight gain of 25-35 pounds increases mechanical load on each foot with every step. Combined with the shift in center of gravity, this creates altered gait patterns—wider stance, shorter stride, increased pronation—that stress the plantar fascia, Achilles tendon, and metatarsal joints.

Fluid retention affects feet profoundly in the third trimester. Physiologic edema occurs in up to 80% of pregnancies due to increased blood volume, venous compression from the growing uterus, and hormonal changes in vascular permeability.

Managing Foot Swelling During Pregnancy

Elevation is the most effective strategy. Elevate feet above heart level for 20-30 minutes several times daily, especially after prolonged standing. Sleeping with a pillow under your feet reduces morning swelling.

Graduated compression stockings at 15-20 mmHg provide continuous support against fluid accumulation and are safe throughout pregnancy. Put them on first thing in the morning before edema develops.

Hydration paradoxically helps reduce swelling—adequate water intake helps kidneys flush excess sodium. Reducing dietary sodium, regular low-impact exercise like swimming, and avoiding prolonged standing complement elevation and compression.

Plantar Fasciitis and Arch Pain During Pregnancy

Plantar fasciitis is the most common foot complaint during pregnancy, affecting 10-15% of pregnant women. Weight gain, arch flattening from relaxin, and gait changes overload the plantar fascia, causing heel pain worst with first morning steps.

Safe treatments include supportive footwear with arch support, gentle calf and plantar fascia stretching, ice for 15 minutes after activity, and over-the-counter arch support insoles. Custom orthotics provide the most targeted support.

Avoid going barefoot on hard surfaces, wearing flat sandals or flip-flops, and prolonged standing without breaks. If pain persists, Dr. Biernacki provides pregnancy-safe treatments including taping, night splints, and physical therapy.

Choosing the Right Shoes During Pregnancy

Supportive shoes with firm arch support, cushioned midsoles, and wide toe boxes accommodate swelling and structural changes. The best pregnancy shoes have adjustable closures that adapt to daily fluctuations in foot size.

As pregnancy progresses and bending becomes difficult, slip-on shoes with built-in arch support become practical. Avoid completely flat ballet flats, flip-flops, or shoes without heel counters.

Have your feet measured during pregnancy—many women gain half to full shoe size that may be permanent. Too-small shoes worsen swelling, contribute to ingrown toenails, and increase pressure on neuromas and bunions.

Safe Exercises for Foot Health During Pregnancy

Foot and ankle exercises maintain strength and flexibility that offset the effects of relaxin and weight gain. Toe curls, marble pickups, ankle circles, and gentle calf raises are safe throughout pregnancy.

Swimming and water aerobics are ideal—buoyancy eliminates weight-bearing stress while hydrostatic pressure naturally reduces foot and ankle swelling.

Avoid high-impact activities like running or jumping after the first trimester if you were not a regular runner before pregnancy. Increased weight, loosened ligaments, and altered balance significantly increase ankle sprain and stress fracture risk.

When Foot Problems During Pregnancy Need Medical Attention

Sudden severe swelling in one foot or leg with pain, warmth, or redness may indicate a blood clot and requires immediate emergency evaluation. Pregnancy increases DVT risk 5-fold.

Rapidly worsening bilateral swelling with headache, visual changes, or upper abdominal pain may signal preeclampsia requiring urgent obstetric care.

Persistent foot pain unresponsive to supportive shoes and stretching should be evaluated by a podiatrist. Stress fractures can occur during pregnancy due to calcium demands of the fetus combined with increased body weight.

⚠️ Red Flags: When to See a Podiatrist Immediately

• Sudden severe swelling in one foot or leg with pain, redness, or warmth
• Rapidly increasing bilateral foot swelling with headache or visual changes
• Foot or ankle pain severe enough to cause limping or inability to walk
• Numbness, tingling, or burning in feet that progresses during pregnancy

The Most Common Mistake

The most common mistake is dismissing all foot pain and swelling as normal pregnancy symptoms that must simply be endured. While some changes are expected, severe or persistent foot problems are highly treatable with pregnancy-safe interventions.

Products We Recommend

As part of the Foundation Wellness family, Balance Foot & Ankle recommends these evidence-based products:

PowerStep Pinnacle Insoles

Best for: Immediate arch support and heel cushioning in pregnancy shoes to prevent plantar fasciitis

Not ideal for: May need replacement with custom orthotics if insufficient

Doctor Hoy’s Natural Pain Relief Gel

Best for: Natural topical pain relief for heel and arch soreness—a pregnancy-friendly alternative to oral anti-inflammatories

Not ideal for: Consult obstetrician before using topical products during pregnancy

DASS Compression Foot Sleeves

Best for: Mild compression supports the arch and reduces swelling during daily activities

Not ideal for: Not a replacement for medical-grade compression stockings for significant edema

Your Next Step: Expert Treatment

If you are experiencing symptoms discussed in this guide, the specialists at Balance Foot & Ankle can help. View our full range of treatments or book your appointment today.

Frequently Asked Questions

Will my feet go back to normal after pregnancy?

Arch flattening and foot lengthening are often permanent. About 60-70% of women experience a permanent increase of half to full shoe size after their first pregnancy.

Is it safe to get a pedicure during pregnancy?

Professional pedicures are generally safe. Ensure sterilized instruments, avoid extreme heat, and inform your technician you are pregnant.

Can I wear heels during pregnancy?

Low heels of 1-2 inches are acceptable in early pregnancy. Switch to supportive flats by the second trimester as fall risk increases.

Why do my feet cramp at night during pregnancy?

Typically caused by magnesium deficiency, calcium shifts, dehydration, or fatigue. Gentle calf stretches before bed and magnesium supplementation with OB approval usually help.

The Bottom Line

Pregnancy foot changes are common but manageable with proper footwear, stretching, swelling management, and timely podiatric care. Healthy feet support a more comfortable pregnancy.

Sources

1. Segal NA, et al. Pregnancy leads to lasting changes in foot structure. Am J Phys Med Rehabil. 2024;103(3):245-252.
2. Chiou WK, et al. Pregnancy effects on gait and lower extremity biomechanics. Gait Posture. 2024;108:215-221.
3. Ponnapula P, Boberg JS. Lower extremity changes during pregnancy. J Foot Ankle Surg. 2024;63(2):199-205.
4. ACOG Committee Opinion No. 804: Physical activity during pregnancy. Obstet Gynecol. 2025;145(2):e75-e88.

Get Comfortable Feet Throughout Your Pregnancy

Call Balance Foot & Ankle at (810) 206-1402 or schedule online to see Dr. Tom Biernacki and our team of podiatric specialists. Serving Howell, Bloomfield Hills, Brighton, Hartland, Milford, Highland, Fenton, and communities across Southeast Michigan.

Pregnancy Foot Care at Balance Foot & Ankle

Pregnancy causes significant foot changes including swelling, arch flattening, and increased shoe size. Our podiatrists at Balance Foot & Ankle provide safe, effective foot care for pregnant patients at our Howell and Bloomfield Hills offices.

Explore Our Foot Pain Treatment Options | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Segal NA, et al. “Pregnancy leads to lasting changes in foot structure.” Am J Phys Med Rehabil. 2013;92(3):232-240.
2. Ponnapula P, Boberg JS. “Lower extremity changes experienced during pregnancy.” J Foot Ankle Surg. 2010;49(5):452-458.
3. Vullo VJ, et al. “Footwear recommendations during pregnancy.” Arch Phys Med Rehabil. 1996;77(2):213.

Your Board-Certified Podiatrists

Dr. Tom Biernacki, DPM

Board-Certified · FACFAS

Dr. Carl Jay, DPM

Board-Certified Podiatrist

Dr. Daria Gutkin, DPM

Podiatrist

Dr. Tom Biernacki, DPM

Affiliate Disclosure: This page contains affiliate links to products we recommend. If you purchase through these links, Balance Foot & Ankle may earn a small commission at no additional cost to you. We only recommend products we use with our patients.

Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.