Medically reviewed by Dr. Tom Biernacki, DPM · Board-Certified Podiatric Surgeon · Last reviewed: April 2026 · Editorial Policy
Quick Answer
Foot Pain During Pregnancy: Swelling, Arch Pain, and What relates to arch concerns — typically caused by foot structure or fatigue. Most patients improve in 6-12 weeks with intervention with conservative care. Same-week appointments in Howell + Bloomfield Twp: (810) 206-1402.
Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
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Medically Reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists, Michigan. Last updated April 2026.
Foot pain is one of the most common musculoskeletal complaints of pregnancy, affecting up to 75% of pregnant women at some point during their three trimesters. While many of these changes are physiological and self-limiting, certain foot conditions that develop or worsen during pregnancy benefit from early treatment — both for immediate comfort and to prevent changes that persist postpartum.
Normal Foot Changes During Pregnancy
Several foot changes during pregnancy are physiological — expected and related to the hormonal and biomechanical changes of pregnancy:
- Edema (swelling): Dependent edema of the ankles and feet is nearly universal in the third trimester, resulting from increased blood volume, compression of pelvic veins by the enlarging uterus, and reduced venous return. Mild bilateral symmetric ankle swelling that improves overnight with leg elevation is normal.
- Foot flattening and lengthening: Relaxin — the hormone that loosens pelvic ligaments for delivery — simultaneously loosens foot and ankle ligaments throughout pregnancy. This produces measurable foot lengthening (average 2–3mm) and arch flattening. Studies show this change persists postpartum in approximately 50% of women, representing a permanent increase in shoe size after the first pregnancy.
- Increased foot temperature: Increased circulation and peripheral vasodilation causes feet to feel warmer than usual — normal in pregnancy.
Plantar Fasciitis During Pregnancy
Plantar fasciitis is the most common podiatric complaint during pregnancy. The combination of weight gain (increasing plantar fascial load), ligamentous laxity from relaxin (reducing arch support), and altered gait from the shifting center of gravity creates the perfect storm for plantar fascia overload. The characteristic sharp morning heel pain develops progressively, often in the second and third trimesters.
Safe treatment options during pregnancy include:
- Custom orthotics with medial arch support — the most effective single intervention, suitable throughout pregnancy
- Supportive footwear — avoiding flat sandals and bare feet on hard surfaces
- Calf and Achilles stretching program
- Night splints to maintain dorsiflexion overnight
- Acetaminophen for pain relief (NSAIDs are avoided during pregnancy, particularly third trimester)
- Physical therapy for stretching and strengthening
Cortisone injections are generally avoided during pregnancy; PRP is similarly deferred. Most plantar fasciitis cases respond to conservative management during pregnancy.
Warning Signs That Are Not Normal
Foot swelling during pregnancy that requires urgent medical evaluation (not just podiatric care):
- Sudden severe unilateral leg swelling: Asymmetric swelling of one leg significantly worse than the other raises concern for deep vein thrombosis (DVT) — a pregnancy-related clotting risk. Requires urgent evaluation with Doppler ultrasound.
- Swelling with severe headache, visual changes, or upper abdominal pain: May indicate preeclampsia — requires immediate obstetric evaluation.
- Swelling that is red, hot, and tender: Cellulitis or thrombophlebitis — requires same-day medical evaluation.
Postpartum Foot Changes
Many women notice their feet remain larger after pregnancy. This is expected — the permanent arch flattening and foot lengthening from relaxin-induced ligament laxity during pregnancy frequently does not fully reverse. Custom orthotics that support the new arch structure and appropriate shoe sizing (up half a size or full size for many women) are the appropriate long-term management. Postpartum plantar fasciitis may persist for months after delivery, particularly if the new arch structure is unsupported.
Pregnancy Foot Pain? Safe Treatment Options Available.
Dr. Biernacki provides pregnancy-safe foot care at Balance Foot & Ankle — Bloomfield Hills and Howell, MI.
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When to See a Podiatrist
If foot or ankle pain has been bothering you for more than a few weeks, home care alone may not be enough. Balance Foot & Ankle offers same-week appointments at our Howell and Bloomfield Hills clinics — no referral needed in most cases. Bring your current shoes and a short list of symptoms and we’ll build you a treatment plan in one visit.
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About Your Care Team at Balance Foot & Ankle
Dr. Tom Biernacki, DPM · Board-Certified Foot & Ankle Surgeon. Specializes in conservative-first care, minimally invasive bunion surgery, and complex reconstruction.
Dr. Carl Jay, DPM · Accepting new patients. Specializes in sports medicine, athletic injuries, and routine podiatric care.
Dr. Daria Gutkin, DPM, AACFAS · Accepting new patients. Specializes in surgical reconstruction and pediatric podiatry.
Locations: 4330 E Grand River Ave, Howell, MI 48843 · 43494 Woodward Ave Suite 208, Bloomfield Twp, MI 48302
Hours: Mon–Fri 8:00 AM – 5:00 PM · (810) 206-1402
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.
- Plantar Fasciitis: Diagnosis and Conservative Management (PubMed)
- Plantar Fasciitis (APMA)
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)
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