PCOS and insulin resistance

Understanding insulin resistance

In this article you'll learn:

• ✓ How your body uses insulin for energy
• ✓ Why insulin resistance is a common part of living with PCOS
• ✓ The physical signs that your body is working hard to manage sugar
• ✓ Simple steps you can take to support your health
• ✓ When to talk to your doctor

If you just found out you have PCOS or insulin resistance, it is normal to feel a bit overwhelmed. The good news is that you are not alone — these are very common health experiences for people with PCOS. Learning how your body works is a powerful first step toward feeling better and more energized.

What is it?

To understand insulin resistance, think about how your body gets fuel. When you eat, your body turns food into sugar that travels in your blood. A hormone called insulin acts like a tiny key. Its job is to unlock the "doors" to your cells so the sugar can go inside and be used for energy. With insulin resistance, the locks on those doors become a little stuck. Even though you have the keys, they do not work as well as they should. This leaves too much sugar sitting in your blood instead of going into your cells where it belongs.

Why does it happen?

When your cells stop responding to the insulin keys, your body tries to fix the problem. To keep your blood sugar normal, your pancreas starts making more and more insulin. Over time, the pancreas may not be able to keep up with this high demand, which causes blood sugar levels to rise.

For people with PCOS, this process is often a core reason why symptoms happen. While the exact causes are complex, a few factors can make insulin resistance more likely:

• Genetics and family history: If diabetes runs in your family, your body may be more prone to insulin resistance.
• Body weight: Carrying extra weight, especially around the waist, can make it harder for insulin to do its job.
• Higher insulin levels: High insulin can signal the ovaries to produce more of certain hormones, which leads to irregular periods and other signs of PCOS.

Common signs

Many people with insulin resistance do not have clear symptoms they can feel. Instead, it is usually found during a regular check-up or through blood tests. Some signs a doctor looks for include:

Body changes

• A waist measurement over 35 inches can be a physical indicator.
• Small skin tags or patches of skin that look dark and feel velvety, often on the neck or underarms.

Blood work

• Blood pressure reading of 130/80 or higher is often linked to metabolic changes.
• Blood sugar levels that are higher than normal, such as a fasting glucose level at or above 100 mg/dL.
• Low "good" (HDL) cholesterol or high fats (triglycerides) in your blood.

How can it affect daily life?

Because your cells are not getting energy efficiently, you might feel more tired than usual or find it harder to manage your weight. It can also be stressful to manage a health condition, and it is normal to feel a bit anxious or low sometimes.

It is helpful to remember that having PCOS and insulin resistance is not your fault. While it can be frustrating, these conditions are manageable, and your medical team is there to help you find an approach that works for you.

What can help?

You can help your body become more receptive to insulin again through simple, healthy habits. Taking care of it now helps you feel better daily and lowers the risk of long-term issues like Type 2 diabetes over time.

• Healthy eating: You do not need a perfect or strict diet. Focus on adding more whole foods like fruits, vegetables, beans, and lean proteins to your meals.
• Movement: Any activity that gets your body moving helps your muscles use up sugar. Walking, dancing, or playing a sport are all great ways to help your insulin work better.
• Stress and sleep: Taking time to relax and getting enough sleep are important, as high stress and poor sleep can make insulin resistance worse.
• Medication: A common medicine called metformin can help your body use its insulin better and is often used to manage metabolic health in PCOS.

When should someone talk to their doctor?

It is a good idea to talk to your doctor during your yearly check-up to see how your blood sugar is doing. You should also reach out if you notice skin changes, like dark patches, or if you are planning to have a baby soon. Because PCOS is a lifelong condition, having a regular plan with your healthcare team helps you stay on track.

Key takeaways

• Insulin resistance is a core part of PCOS: It means your body has trouble unlocking your cells to use sugar for energy, and it is often found through blood work rather than symptoms you can feel.
• Look for the signs: Common clues include a larger waistline, high blood pressure, or dark patches of skin.
• Your body works harder: To keep your blood sugar normal, your pancreas makes extra insulin, which can eventually wear out the system.
• Small habits matter: Eating whole foods and staying active are the best ways to help your insulin work better.
• Support is available: Medicines like metformin can provide extra support, and regular check-ups help you feel more in control.

Remember, improving insulin resistance does not happen overnight. Small, consistent habits can lead to meaningful improvements over time, and your healthcare team can help you find an approach that works for you.