Can PCOS Increase the Risk of Diabetes? Complete Guide

Does PCOS Really cause diabetes? 

Polycystic Ovary Syndrome (PCOS) is widely recognized for causing irregular menstrual cycles, acne, excess facial hair, and fertility problems.

However, many women are unaware that PCOS is also closely linked to metabolic disorders, particularly prediabetes and type 2 diabetes.

In fact, women with PCOS are significantly more likely to develop insulin resistance, making it harder for the body to regulate blood sugar levels effectively.

Although obesity can increase the risk, diabetes is not limited to women with overweight or obesity-related PCOS.

Even women with Lean PCOS may develop insulin resistance and impaired glucose metabolism.

This highlights that PCOS is more than a reproductive condition, it is also a metabolic disorder that requires long-term health monitoring.

Without proper management, persistently high insulin levels can lead to elevated blood glucose levels over time, increasing the likelihood of developing prediabetes, type 2 diabetes, cardiovascular disease, and other metabolic complications.

The good news is that early diagnosis, healthy lifestyle changes, regular exercise, physiotherapy-guided movement, and appropriate medical care can significantly reduce this risk. (Centers for Disease Control and Prevention)

In this article,

we’ll explore how PCOS increases the risk to cause diabetes, identify the warning signs, discuss who is most at risk, and explain practical strategies to prevent diabetes while effectively managing PCOS.

What Is PCOS?

Polycystic Ovary Syndrome (PCOS) is one of the most common hormonal disorders affecting women of reproductive age.

It occurs when the ovaries produce higher-than-normal levels of androgens (male hormones), disrupting normal ovulation and menstrual cycles.

Despite its name, not every woman with PCOS has ovarian cysts.

The diagnosis is based on a combination of symptoms, hormone levels, and ultrasound findings rather than the presence of cysts alone.

According to the World Health Organization (WHO), PCOS affects approximately 8% to 13% of women of reproductive age worldwide and is a leading cause of infertility and menstrual irregularities.

Beyond reproductive health, PCOS is increasingly recognized as a condition that affects metabolism, increasing the risk of insulin resistance, prediabetes, type 2 diabetes, high cholesterol, and cardiovascular disease.

Common symptoms of PCOS include:

• Absent or Irregular menstrual periods
• Difficulty conceiving
• Acne
• Excess facial or body hair (hirsutism)
• Hair thinning or scalp hair loss
• Weight gain (in many women)
• Insulin resistance
• Oily skin
• Mood changes
• Sleep disturbances

Because PCOS affects both hormone production and the way the body processes insulin, managing the condition involves addressing reproductive as well as metabolic health. (World Health Organization, 2025)

Can PCOS Increase the Risk of Diabetes?

Yes.

Women with PCOS have a significantly higher risk of developing prediabetes and type 2 diabetes than women without PCOS.

The primary reason is insulin resistance, a condition in which the body’s cells become less responsive to insulin.

To compensate, the pancreas produces more insulin.

Over time, this can cause blood sugar levels to rise, increasing the risk of diabetes.

Research suggests that women with PCOS are up to four times more likely to cause type 2 diabetes compared with women without the condition.

This risk may develop at a younger age and persists even after adjusting for body weight.

Importantly, diabetes risk is not limited to women who are overweight.

Women with Lean PCOS can also experience insulin resistance and abnormal glucose metabolism, making regular health screening essential regardless of body size.

Not every woman with PCOS will develop diabetes, but understanding the risk allows for early intervention through healthy lifestyle choices, regular monitoring, and appropriate medical care. (Pani et al. 2020)

Why Does PCOS Increase the Risk of Diabetes?

PCOS increases diabetes risk through several interconnected hormonal and metabolic mechanisms.

Understanding these processes helps explain why regular monitoring and early lifestyle changes are so important.

Insulin Resistance

Insulin resistance is considered one of the most important metabolic features of PCOS.

Normally, insulin helps move glucose from the bloodstream into the body’s cells, where it is used for energy.

In women with PCOS, the body’s cells become less responsive to insulin, forcing the pancreas to produce larger amounts of the hormone.

Over time, this increased demand may reduce the pancreas’s ability to maintain normal blood sugar levels, leading to prediabetes and eventually type 2 diabetes.

Insulin resistance can occur in women with both obesity-related PCOS and Lean PCOS, although it is generally more common and severe in women with excess body weight.

Hyperinsulinemia

As insulin resistance develops, the pancreas compensates by releasing more insulin into the bloodstream, a condition known as hyperinsulinemia.

High insulin levels stimulate the ovaries to produce more androgens, including testosterone.

This creates a cycle in which:

• Insulin resistance increases insulin levels.
• High insulin stimulates excess androgen production.
• Elevated androgens worsen ovulation and hormonal imbalance.
• Hormonal imbalance further contributes to metabolic dysfunction.

Breaking this cycle is an important goal of PCOS management.

Hormonal Imbalance

Women with PCOS often experience increased androgen levels and disrupted reproductive hormones.

These hormonal changes can:

• Interfere with ovulation
• Increase abdominal fat accumulation
• Reduce insulin sensitivity
• Promote chronic metabolic disturbances

Although hormonal imbalance alone does not directly cause diabetes, it contributes to the metabolic changes that increase diabetes risk over time.

Chronic Low-Grade Inflammation

Research has shown that many women with PCOS experience chronic low-grade inflammation, even in the absence of infection.

Inflammatory substances released within the body may:

• Worsen insulin resistance
• Impair glucose metabolism
• Increase oxidative stress
• Damage blood vessels over time

Persistent inflammation is considered one of the factors linking PCOS with diabetes and cardiovascular disease.

Weight Gain and Abdominal Fat

Many women with PCOS develop increased abdominal or visceral fat, which is more strongly associated with insulin resistance than fat stored elsewhere in the body.

Excess abdominal fat can:

• Reduce insulin sensitivity
• Increase inflammation
• Raise blood sugar levels
• Increase the likelihood of developing type 2 diabetes

However, it is important to remember that normal body weight does not eliminate diabetes risk, as some women with Lean PCOS also develop insulin resistance.

Family History and Genetics

Genetics also influence diabetes risk.

Women are more likely to develop diabetes if they have:

• A parent or sibling with type 2 diabetes
• A family history of PCOS
• A family history of metabolic syndrome

Inherited genetic factors may affect both insulin function and hormone regulation, increasing susceptibility to metabolic disorders.

Who Is at Higher Risk?

Although every woman with PCOS should be aware of diabetes risk, some individuals are more likely to develop blood sugar abnormalities than others.

Risk factors include:

• Overweight or obesity, particularly excess abdominal fat
• Lean PCOS with evidence of insulin resistance
• Family history of type 2 diabetes
• Sedentary lifestyle
• Poor dietary habits, especially frequent consumption of refined carbohydrates and sugary beverages
• History of gestational diabetes during pregnancy
• Increasing age, particularly after 35 years
• High blood pressure or abnormal cholesterol levels
• Previous diagnosis of prediabetes
• Smoking and other lifestyle factors that affect metabolic health

Having one or more of these risk factors does not mean that diabetes is inevitable.

With regular screening, balanced nutrition, physiotherapy-guided exercise, adequate sleep, stress management, and medical support when needed,

many women with PCOS can successfully reduce their risk and maintain healthy blood sugar levels.

How Is Diabetes Risk Assessed in Women with PCOS?

Because women with PCOS have a higher likelihood of developing prediabetes and type 2 diabetes, regular screening is an essential part of long-term care.

Early detection allows healthcare providers to identify changes in blood sugar before diabetes develops, making it easier to prevent or delay complications.

Healthcare providers assess diabetes risk using a combination of medical history, physical examination, laboratory tests, and regular follow-up evaluations.

Medical History

The evaluation begins with a detailed discussion of your medical history.

Your healthcare provider may ask about:

• Menstrual cycle regularity
• Previous diagnosis of PCOS
• Family history of diabetes
• Previous gestational diabetes
• Weight changes
• Physical activity levels
• Dietary habits
• Sleep quality
• Smoking or alcohol use
• Current medications

Understanding these factors helps identify women who may benefit from more frequent diabetes screening.

Physical Examination

A physical examination provides important information about metabolic health.

Your healthcare provider may assess:

• Height and weight
• Body Mass Index (BMI)
• Waist circumference
• Blood pressure
• Signs of insulin resistance such as acanthosis nigricans
• Skin changes
• Excess facial or body hair
• Acne

Abdominal fat distribution is particularly important because excess visceral fat is closely associated with insulin resistance.

Blood Tests

Several laboratory investigations help evaluate blood sugar control and identify early signs of diabetes.

Common tests include:

Fasting Blood Sugar (FBS)

This test measures blood glucose levels after fasting for at least eight hours.

Elevated fasting glucose may indicate:

• Prediabetes
• Type 2 diabetes
• Impaired fasting glucose

HbA1c (Glycated Hemoglobin)

HbA1c reflects the average blood sugar level over the previous two to three months.

Unlike a fasting glucose test, it does not require fasting and provides a broader picture of long-term glucose control.

Oral Glucose Tolerance Test (OGTT)

The Oral Glucose Tolerance Test (OGTT) is considered one of the most useful tests for women with PCOS because it detects impaired glucose tolerance that may not be identified by fasting blood sugar alone.

During the test:

• A fasting blood sample is collected.
• The individual drinks a glucose solution.
• Blood sugar levels are measured after two hours.

Many international guidelines recommend OGTT for women with PCOS who have additional diabetes risk factors.

Fasting Insulin (When Appropriate)

Some healthcare providers measure fasting insulin levels to evaluate insulin resistance, although this test is not routinely recommended for everyone.

It may be helpful in selected cases when metabolic abnormalities are suspected.

Lipid Profile

Because diabetes and cardiovascular disease often occur together, healthcare providers also assess cholesterol levels.

A lipid profile includes:

• Total cholesterol
• LDL cholesterol
• HDL cholesterol
• Triglycerides

Abnormal lipid levels further increase cardiovascular risk in women with PCOS.

Regular Diabetes Screening

Since the risk of diabetes continues throughout adulthood, screening should not stop after one normal test.

Women with PCOS should discuss the appropriate screening interval with their healthcare provider,

especially if they have additional risk factors such as obesity, family history of diabetes, previous gestational diabetes, or advancing age.

Regular monitoring allows healthcare providers to detect changes early and begin preventive treatment before permanent complications develop. (Vollmer et al. 2024)

Warning Signs of Diabetes

Prediabetes often develops without noticeable symptoms.

As blood sugar levels continue to rise, some women may begin experiencing signs of diabetes.

Common warning signs include:

• Increased thirst
• Frequent urination
• Persistent fatigue
• Blurred vision
• Slow wound healing
• Frequent skin or urinary tract infections
• Unexplained weight loss or weight changes
• Increased hunger
• Tingling or numbness in the hands or feet

These symptoms do not always indicate diabetes, but they should never be ignored.

Early medical evaluation allows prompt diagnosis and appropriate treatment.

Can Diabetes Be Prevented in Women with PCOS?

Although women with PCOS have a higher risk of developing diabetes, the condition is not inevitable.

Many women successfully prevent or delay diabetes by adopting healthy lifestyle habits and attending regular medical check-ups.

Healthy Diet

A balanced diet plays a central role in maintaining healthy blood sugar levels.

Women with PCOS should aim to include:

• Whole grains
• Vegetables
• Fruits
• Lean proteins
• Healthy fats
• Legumes
• Nuts and seeds

Limiting highly processed foods, sugary drinks, refined carbohydrates, and excessive added sugars may improve insulin sensitivity and reduce the risk of diabetes.

Eating regular, balanced meals also helps maintain stable blood glucose levels throughout the day.

Regular Exercise and Physiotherapy

Physical activity is one of the most effective strategies for improving insulin sensitivity.

Regular exercise helps:

• Lower blood sugar levels
• Improve insulin function
• Reduce abdominal fat
• Improve cardiovascular health
• Increase energy levels
• Support healthy body composition

From a physiotherapy perspective, combining:

• Aerobic exercise
• Resistance training
• Flexibility exercises
• Functional movement training

provides long-term metabolic benefits while improving overall physical fitness.

A physiotherapist can design an individualized exercise program based on a woman’s age, fitness level, health status, and personal goals.

Weight Management

For women with overweight or obesity-related PCOS, even modest weight loss may significantly improve insulin sensitivity and reduce diabetes risk.

Women with Lean PCOS generally do not need to lose weight.

Instead, they should focus on maintaining a healthy body composition through balanced nutrition and regular physical activity.

The goal is improving metabolic health rather than achieving a specific number on the scale.

Improving Sleep

Poor sleep quality is associated with insulin resistance, increased appetite, and impaired glucose metabolism.

Women with PCOS should aim for 7-9 hours of quality sleep each night by:

• Maintaining a regular sleep schedule
• Limiting screen time before bed
• Reducing caffeine intake later in the day
• Creating a comfortable sleep environment

Good sleep supports both hormonal balance and blood sugar regulation.

Stress Management

Chronic stress increases cortisol levels, which may contribute to insulin resistance and elevated blood sugar.

Healthy stress-management techniques include:

• Meditation
• Deep breathing exercises
• Yoga
• Mindfulness
• Walking
• Relaxation exercises
• Spending time with family and friends

Managing stress benefits both mental and physical health.

Medical Management

When lifestyle changes alone are insufficient, healthcare providers may recommend medications to improve blood sugar control and insulin sensitivity.

Depending on individual needs, treatment may include:

• Metformin
• Weight-management medications (when appropriate)
• Medications to manage cholesterol or blood pressure
• Individualized treatment for diabetes if diagnosed

Medication decisions should always be made in consultation with a qualified healthcare professional and tailored to the individual’s overall health and reproductive goals.

Can Women with PCOS Live a Healthy Life Without Developing Diabetes?

Yes. Having PCOS does not mean you will definitely develop diabetes. While the condition increases the risk of insulin resistance, prediabetes, and type 2 diabetes, many women with PCOS maintain healthy blood sugar levels throughout their lives through early intervention and consistent lifestyle management.

The key is to recognize that diabetes prevention begins long before blood sugar levels become abnormal. Adopting healthy eating habits, staying physically active, maintaining a healthy weight, getting enough sleep, managing stress, and attending regular health screenings can significantly reduce the risk of developing diabetes.

Even women who have already been diagnosed with prediabetes can often delay or prevent progression to type 2 diabetes with appropriate medical guidance and sustainable lifestyle changes. (Centers for Disease Control and Prevention)

Lifestyle Tips to Reduce Diabetes Risk

Healthy lifestyle choices are one of the most effective ways to reduce the risk of diabetes in women with PCOS. Small, consistent habits often have a greater long-term impact than short-term restrictive diets or intense exercise programs.

Eat Low Glycemic Foods

Foods with a low Glycemic Index (GI) release glucose more slowly into the bloodstream, helping maintain stable blood sugar levels.

Examples include:

• Whole grains
• Oats
• Brown rice
• Quinoa
• Lentils
• Beans
• Non-starchy vegetables
• Apples
• Berries
• Pears

Pairing carbohydrates with protein and healthy fats can further reduce blood sugar spikes after meals.

Stay Physically Active

Regular physical activity improves how the body uses insulin and helps maintain healthy blood sugar levels.

Aim for at least 150 minutes of moderate-intensity exercise each week, such as:

• Brisk walking
• Cycling
• Swimming
• Dancing
• Jogging

Even short periods of movement throughout the day can improve insulin sensitivity.

Maintain a Healthy Weight

Maintaining a healthy body weight supports better metabolic health and reduces insulin resistance.

For women with overweight or obesity-related PCOS, gradual weight loss may lower diabetes risk.

For women with Lean PCOS, the goal is to maintain a healthy weight while supporting muscle mass and metabolic function through balanced nutrition and regular exercise.

Build Muscle Through Strength Training

Strength training is often overlooked but plays an important role in diabetes prevention.

Muscles use glucose for energy, meaning increased muscle mass improves insulin sensitivity and blood sugar regulation.

Examples include:

• Body-weight exercises
• Resistance bands
• Free weights
• Weight machines
• Pilates-based strengthening exercises

Including strength training at least two days per week can provide lasting metabolic benefits.

Get Enough Sleep

Poor sleep has been linked to insulin resistance, increased appetite, hormonal imbalance, and impaired glucose metabolism.

Healthy sleep habits include:

• Sleeping 7-9 hours each night
• Going to bed and waking up at consistent times
• Avoiding screens before bedtime
• Limiting caffeine later in the day
• Creating a dark, quiet sleeping environment

Improving sleep quality benefits both metabolic and reproductive health.

Calculate your ideal sleep timings here: “Sleep Calculator” 

Manage Stress

Long-term stress can increase cortisol levels, which may negatively affect blood sugar control and insulin sensitivity.

Healthy stress-management techniques include:

• Meditation
• Yoga
• Deep breathing exercises
• Mindfulness
• Journaling
• Spending time outdoors
• Engaging in enjoyable hobbies

Reducing stress supports hormonal balance and overall well-being.

Regular Health Check-ups

Routine medical follow-up is essential, even if you feel healthy.

Women with PCOS should regularly monitor:

• Blood glucose
• HbA1c
• Blood pressure
• Cholesterol levels
• Weight and waist circumference
• Menstrual health

Early identification of metabolic changes allows healthcare providers to recommend timely interventions and prevent long-term complications.

When Should You See a Doctor?

Many women with PCOS do not notice symptoms until blood sugar levels become significantly elevated. Regular medical evaluations are therefore important, especially if additional risk factors are present.

You should consult a healthcare provider if you experience:

• Persistent fatigue
• Increased thirst
• Frequent urination
• Blurred vision
• Slow-healing wounds
• Frequent skin or urinary tract infections
• Unexplained weight changes
• Persistent irregular menstrual cycles
• Difficulty conceiving
• A family history of diabetes
• Previous gestational diabetes

Women with PCOS should also discuss routine diabetes screening with their healthcare provider, even if they do not have symptoms.

Physiotherapist’s Role in Reducing Diabetes Risk in PCOS

Physiotherapists play a valuable role in preventing diabetes by helping women with PCOS adopt safe, sustainable, and individualized exercise routines.

Exercise is one of the most effective non-pharmacological interventions for improving insulin sensitivity and supporting long-term metabolic health.

Designing Individualized Exercise Programs

Every woman with PCOS has unique health needs and fitness levels.

A physiotherapist develops a personalized exercise plan based on:

• Age
• Current fitness level
• Body composition
• Joint health
• Medical history
• Personal goals

This individualized approach improves safety and long-term adherence.

Improving Insulin Sensitivity

Regular exercise helps muscles absorb glucose more efficiently, reducing the amount of insulin required to maintain normal blood sugar levels.

Both aerobic exercise and resistance training have been shown to improve insulin sensitivity in women with PCOS.

Supporting Healthy Weight Management

For women who need to lose weight, physiotherapists create structured exercise programs that promote gradual, sustainable fat loss while preserving lean muscle mass.

For women with Lean PCOS, physiotherapy focuses on improving body composition, strength, endurance, and metabolic health rather than weight reduction.

Building Muscle Strength

Resistance training increases lean muscle mass, which improves glucose uptake and overall metabolic efficiency.

Maintaining muscle strength also supports bone health, posture, and physical function.

Encouraging Lifelong Healthy Habits

Beyond supervised exercise, physiotherapists educate women about:

• Daily physical activity
• Safe exercise progression
• Injury prevention
• Posture and movement
• Long-term exercise adherence

These habits help reduce diabetes risk while improving overall quality of life.

Common Myths About PCOS and Diabetes

Several misconceptions prevent women from recognizing their diabetes risk early.

Myth: Every Woman with PCOS Will Develop Diabetes

Fact: PCOS increases the risk of diabetes, but many women never develop the condition. Healthy lifestyle habits and regular medical monitoring can significantly reduce the risk.

Myth: Only Overweight Women with PCOS Need Diabetes Screening

Fact: Women with Lean PCOS may also develop insulin resistance and abnormal glucose metabolism. Diabetes screening is important regardless of body weight.

Myth: Diabetes Happens Suddenly

Fact: Type 2 diabetes usually develops gradually. Prediabetes often occurs first, providing an opportunity for early intervention and prevention.

Myth: Exercise Only Helps with Weight Loss

Fact: Physical activity improves insulin sensitivity, lowers blood sugar, strengthens muscles, enhances cardiovascular health, and supports hormone regulation, even without significant weight loss.

Myth: Taking Medication Means Lifestyle Changes Are No Longer Necessary

Fact: Medications work best when combined with healthy eating, regular exercise, adequate sleep, stress management, and routine medical follow-up.

Conclusion

PCOS is more than a reproductive condition, it is also a metabolic disorder that can significantly increase the risk of prediabetes and type 2 diabetes.

While insulin resistance is common in women with PCOS, developing diabetes is not inevitable.

Early diagnosis, regular blood sugar screening, balanced nutrition, physiotherapy-guided exercise, quality sleep, stress management, and individualized medical care can help maintain healthy blood glucose levels and reduce long-term complications.

Whether you have obesity-related PCOS or Lean PCOS, understanding your metabolic health is just as important as managing reproductive symptoms.

Taking proactive steps today can protect your health for years to come.

Stay tuned with us for more health related topics.

Follow us on LinkedIn and Instagram for more.

Medical Disclaimer!

This article has been reviewed and written under the guidance of our Head Physiotherapist, Dr. Kruti Raj (PT, MUHS,CPT,CMPT). The information shared is intended for educational purposes only and should not be considered a substitute for personalized medical advice, diagnosis, or treatment.

Please consult us or any other qualified healthcare professional before beginning any exercise program, especially if you are experiencing pain, recovering from injury, or managing a medical condition.