Stress fractures in both ankle bones during pregnancy are extremely rare but can occur when pregnancy causes severe bone loss. According to Gram Research analysis, this case involved a woman who developed bilateral talar stress fractures linked to pregnancy-related osteoporosis and recovered completely within 1-2 years using conservative treatment with calcium and vitamin D supplements, pain medication, and physical therapy. Early diagnosis with MRI imaging and prompt supplementation are crucial for favorable outcomes.

A woman experienced severe heel pain during late pregnancy and after giving birth, which turned out to be caused by stress fractures in both ankles. According to Gram Research analysis, her condition was linked to pregnancy-related bone loss, a condition where bones become weaker during and after pregnancy. Doctors discovered the fractures using MRI scans and found low vitamin D and calcium levels. The good news: she recovered completely within 1-2 years using conservative treatment including pain relief, supplements, and physical therapy. This rare case shows why doctors should consider stress fractures when pregnant or postpartum women have persistent heel pain.

Key Statistics

A 2026 case report documented bilateral talar stress fractures in a pregnant woman with pregnancy-related osteoporosis, with complete symptom resolution achieved over a 1-2 year period using conservative treatment including calcium and vitamin D supplementation and physical therapy.

MRI imaging revealed bilateral talar stress fractures in a postpartum patient with low calcium and vitamin D levels confirmed by laboratory testing, demonstrating the importance of advanced imaging when initial X-rays are inconclusive in pregnant women with persistent heel pain.

A single case of pregnancy-related osteoporosis progressed to bilateral stress fractures without surgical intervention required, with conservative management including supplementation and structured physical therapy resulting in complete clinical improvement.

The Quick Take

  • What they studied: A single case of a pregnant woman who developed stress fractures (tiny cracks) in both ankle bones due to weakened bones during pregnancy
  • Who participated: One woman who had been pregnant multiple times and developed severe heel pain in late pregnancy and after delivery
  • Key finding: Bilateral talar stress fractures were successfully diagnosed using MRI imaging and linked to pregnancy-related osteoporosis (weakened bones), with complete recovery achieved through conservative treatment over 1-2 years
  • What it means for you: If you’re pregnant or recently gave birth and experience persistent heel or ankle pain, ask your doctor about stress fractures. Early diagnosis and treatment with supplements, rest, and physical therapy can prevent complications and lead to full recovery

The Research Details

This is a case report, which means doctors documented the medical history and treatment of one specific patient. The woman came to the hospital with worsening heel pain that started during late pregnancy and continued after delivery. Doctors first took regular X-rays, but these didn’t clearly show the problem. They then used MRI (magnetic resonance imaging), a more detailed scanning technique, which revealed tiny cracks in both ankle bones. The doctors also ran blood tests to check calcium and vitamin D levels, and performed a DEXA scan (a special X-ray that measures bone density) to confirm the bones were weaker than normal.

The patient received conservative treatment, meaning doctors avoided surgery and instead used non-invasive approaches. She took pain medications, calcium and vitamin D supplements to strengthen her bones, and worked with a physical therapist to gradually rebuild strength and function. Doctors followed her progress over 1-2 years to see how well she recovered.

Case reports are important because they document unusual medical situations that doctors might not see often. This case is valuable because stress fractures during pregnancy are extremely rare, and many doctors might not immediately think of them when a pregnant woman complains of heel pain. By sharing this case, doctors can learn to recognize the warning signs earlier and avoid misdiagnosis or delayed treatment.

This is a single case report, which is the lowest level of scientific evidence. It describes what happened to one person, not a large group. However, it’s still valuable because it highlights a rare but real condition. The diagnosis was confirmed with multiple imaging techniques (X-rays and MRI) and blood tests, which strengthens the reliability of the findings. The patient was followed for 1-2 years, providing good long-term outcome data. Readers should understand this describes one person’s experience and may not apply to everyone.

What the Results Show

The patient presented with progressively worsening heel pain that began during late pregnancy and continued into the postpartum period. Initial X-rays were unclear, but MRI imaging revealed bilateral talar stress fractures—tiny cracks in both ankle bones. Blood work showed low calcium and vitamin D levels, indicating metabolic bone disease. A DEXA scan confirmed pregnancy-related osteoporosis, meaning her bones had become significantly weaker during pregnancy.

The patient was treated conservatively without surgery, using a combination of pain medication, calcium and vitamin D supplementation, and structured physical therapy. Over the course of 1-2 years, she experienced gradual clinical improvement. Her symptoms resolved completely, and she did not require any surgical intervention. This favorable outcome demonstrates that conservative management can be effective for this condition.

The case highlights the importance of metabolic bone assessment in pregnant and postpartum women with unexplained pain. The combination of clinical presentation, imaging findings, and laboratory results provided a complete picture of the underlying bone disease. The patient’s recovery without surgery suggests that early recognition and appropriate supplementation can address the underlying bone weakness.

Stress fractures are well-documented in athletes and military personnel due to repetitive impact and overuse. However, stress fractures during pregnancy are exceptionally rare in medical literature. This case adds to the limited body of knowledge about pregnancy-related osteoporosis and its potential complications. It reinforces that pregnancy can cause significant bone loss in some women, and that this bone loss can lead to serious complications like stress fractures if not recognized and treated early.

This is a single case report involving one patient, so the findings cannot be generalized to all pregnant women. We don’t know how common this condition actually is because most cases may go undiagnosed or unreported. The case doesn’t explain why this particular woman developed such severe bone loss during pregnancy—individual factors may have contributed. There’s no comparison group to determine what percentage of pregnant women with similar bone loss develop stress fractures. Doctors should not assume all pregnant women with heel pain have stress fractures, as other conditions are much more common.

The Bottom Line

Healthcare providers should consider stress fractures in the differential diagnosis when pregnant or postpartum women present with persistent heel or ankle pain, especially if initial X-rays are inconclusive. MRI imaging should be used for definitive diagnosis. All pregnant women should ensure adequate calcium and vitamin D intake, and those with risk factors for bone loss should have bone density screening. Conservative treatment with appropriate supplementation and physical therapy appears effective for managing these fractures. Confidence level: Moderate (based on one case with good outcome, but limited evidence).

Pregnant women and those in the postpartum period should be aware of this rare condition, especially if they experience persistent heel or ankle pain. Healthcare providers—including obstetricians, orthopedic doctors, and primary care physicians—should know about this possibility to avoid delayed diagnosis. Women with risk factors for bone loss (inadequate calcium/vitamin D intake, previous pregnancies, limited sun exposure) should pay special attention. This case is less relevant to non-pregnant individuals, as pregnancy-related osteoporosis is specific to pregnancy and the postpartum period.

In this case, complete symptom resolution took 1-2 years with conservative treatment. However, individual recovery timelines may vary depending on the severity of bone loss, compliance with supplementation, and participation in physical therapy. Patients should expect gradual improvement rather than immediate relief, and should maintain consistent treatment throughout the recovery period.

Frequently Asked Questions

Can you get stress fractures while pregnant?

Yes, though extremely rare. Pregnancy can cause bone loss (osteoporosis), which weakens bones and increases fracture risk. This case report documents bilateral ankle stress fractures in a pregnant woman that healed completely with supplements and physical therapy over 1-2 years.

What causes bone loss during pregnancy?

Pregnancy increases calcium demands as the baby’s skeleton develops. If a woman doesn’t consume enough calcium and vitamin D, her body pulls these minerals from her bones, weakening them. This is usually temporary, but severe cases can lead to stress fractures.

How are pregnancy stress fractures treated?

This case was treated conservatively without surgery, using pain medication, calcium and vitamin D supplements, and physical therapy. The patient recovered completely within 1-2 years. Surgery was not necessary, showing that conservative management can be effective.

What should I do if I have heel pain during pregnancy?

Report persistent heel pain to your doctor immediately. While stress fractures are rare, other treatable conditions cause heel pain in pregnancy. Your doctor can order imaging tests like MRI if needed and recommend appropriate treatment, which may include supplements and physical therapy.

How much calcium and vitamin D do pregnant women need?

Pregnant women need 1,000 mg of calcium daily and 600-800 IU of vitamin D daily. Adequate intake prevents bone loss during pregnancy. This case highlights why supplementation is crucial—the patient’s low levels contributed to stress fractures that required 1-2 years to heal.

Want to Apply This Research?

  • Track heel and ankle pain severity on a 0-10 scale daily, along with calcium and vitamin D supplement intake. Log physical therapy sessions completed and note any changes in pain with activity. This creates a clear record of improvement over weeks and months.
  • Set daily reminders to take calcium and vitamin D supplements at the same time each day. Schedule and complete physical therapy exercises as prescribed, tracking which exercises were done and for how long. Gradually increase weight-bearing activities as pain decreases, with guidance from your physical therapist.
  • Use the app to track pain trends weekly and monthly to identify improvement patterns. Monitor supplement adherence to ensure consistent intake. Schedule follow-up imaging (DEXA scans) at recommended intervals to verify bone density improvement. Share tracked data with your healthcare provider at appointments to guide treatment adjustments.

This article describes a single rare case and should not be used for self-diagnosis. Heel pain during pregnancy has many possible causes, most of which are much more common than stress fractures. If you experience persistent heel or ankle pain during pregnancy or after delivery, consult your obstetrician or primary care physician for proper evaluation and diagnosis. Do not delay seeking medical care based on this information. Pregnant women should discuss calcium and vitamin D supplementation with their healthcare provider before starting any new supplements. This case report is educational and does not constitute medical advice for your individual situation.

This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.

Source: Bilateral talar stress fractures in pregnancy-related osteoporosis: A rare case report.Journal of back and musculoskeletal rehabilitation (2026). PubMed 42616556 | DOI