The Link Between Insulin Resistance and Infertility

Written by

Arva Health Team

18-Jun-2024

2 hands with fingers locked in
2 hands with fingers locked in
2 hands with fingers locked in

Insulin Resistance and Fertility: What’s the connection?

Remember how our cells just sometimes go: “No insulin. We don't want it”🫠

A common symptom of PCOS, Insulin resistance is a condition that can significantly impact your overall health, including your fertility.

Understanding what insulin resistance is, how it affects your body, and what steps you can take to manage it can be crucial in your journey to parenthood.

So we compiled this short guide to help you understand the connection between insulin resistance and fertility.

Read on!

What is Insulin Resistance?

Insulin resistance occurs when the cells in your muscles, fat, and liver don’t respond well to insulin, a hormone produced by the pancreas.

Insulin helps your cells absorb glucose (sugar) from your bloodstream to use for energy. When cells become resistant to insulin, your body needs more insulin to help glucose enter cells.

Over time, this can lead to higher levels of both insulin and glucose in your blood.

How does Insulin work?

Here’s a breakdown of how insulin works:

  • Glucose Absorption: After you eat, your digestive system breaks down carbohydrates into glucose, which enters your bloodstream.

  • Insulin Release: In response to rising blood glucose levels, your pancreas releases insulin.

  • Cellular Uptake: Insulin signals cells to absorb glucose from the bloodstream, providing them with the energy they need to function.

  • Energy Storage: Any excess glucose is stored in the liver and muscles as glycogen or converted to fat for later use.

How does Insulin Resistance occur?

  • Genetics: Some people inherit a predisposition to insulin resistance.

  • Obesity: Excess body fat, particularly around the abdomen, contributes to insulin resistance.

  • Physical Inactivity: Lack of exercise reduces insulin sensitivity.

  • Diet: Diets high in refined carbohydrates and sugars can lead to insulin resistance.

  • Hormonal Disorders: Conditions like polycystic ovary syndrome (PCOS) are linked to insulin resistance.

How does Insulin Resistance affect fertility?

Insulin resistance can interfere with fertility in both men and women. Here’s how it affects each gender:


In Women

  1. Hormonal Imbalance: Elevated insulin levels can lead to an overproduction of androgens (male hormones), which can disrupt ovulation and menstrual cycles.

  2. Polycystic Ovary Syndrome (PCOS): Insulin resistance is closely linked to PCOS, a leading cause of infertility. Women with PCOS often have irregular menstrual cycles, anovulation (absence of ovulation), and cysts on their ovaries.

  3. Endometrial Health: High insulin levels can affect the endometrium (lining of the uterus), making it less receptive to a fertilized egg.

  4. Weight Gain: Insulin resistance can contribute to weight gain, particularly around the abdomen, further exacerbating hormonal imbalances and fertility issues.


In Men

  1. Sperm Quality: Insulin resistance and associated metabolic conditions can negatively impact sperm quality and quantity.

  2. Hormonal Changes: Insulin resistance can alter levels of testosterone and other reproductive hormones, affecting sperm production.

  3. Obesity: Similar to women, insulin resistance-related obesity in men can lead to hormonal imbalances that reduce fertility.

How is Insulin Resistance diagnosed?

Diagnosing insulin resistance typically involves several tests:

  1. Fasting Insulin and Glucose Levels: Blood tests that measure fasting insulin and glucose levels.

  2. HOMA-IR (Homeostasis Model Assessment of Insulin Resistance): A calculation based on fasting glucose and insulin levels that assesses insulin resistance.

  3. Oral Glucose Tolerance Test (OGTT): Measures how your body handles glucose over a period of time after consuming a glucose-rich drink.

  4. Hemoglobin A1c Test: Reflects your average blood glucose levels over the past three months.

How do I manage Insulin Resistance?

Managing insulin resistance involves lifestyle changes and sometimes medications. Here’s what you can do:


Dietary Changes

  • Balanced Diet: Focus on a diet rich in whole grains, lean proteins, fruits, vegetables, and healthy fats.

  • Low Glycemic Index Foods: Choose foods that have a low glycemic index to avoid spikes in blood sugar levels.

  • Fiber Intake: Increase your fiber intake, as fiber helps regulate blood sugar levels.

  • Avoid Refined Sugars and Carbs: Limit foods high in refined sugars and simple carbohydrates.


Exercise

  • Regular Physical Activity: Aim for at least 150 minutes of moderate-intensity exercise per week. Activities like walking, cycling, and swimming are excellent choices.

  • Strength Training: Incorporate strength training exercises to build muscle mass, which helps improve insulin sensitivity.


Weight Management

  • Weight Loss: Losing even a small amount of weight (5-10% of your body weight) can significantly improve insulin sensitivity.

  • Healthy Lifestyle: Adopt a healthy lifestyle that includes regular exercise and a balanced diet to maintain a healthy weight.


Medications

  • Metformin: A common medication prescribed to improve insulin sensitivity and lower blood sugar levels.

  • Other Medications: Depending on individual needs, other medications may be prescribed to manage blood sugar levels and insulin resistance.


Monitoring and Regular Check-ups

  1. Regular Monitoring: Regularly monitor your blood sugar levels, especially if you have been diagnosed with insulin resistance or diabetes.

  2. Healthcare Provider Consultation: Consult your healthcare provider regularly to adjust your management plan as needed.

How Insulin Resistance Affects Pregnancy

Insulin resistance can also affect pregnancy outcomes. Pregnant women with insulin resistance or gestational diabetes (a type of diabetes that develops during pregnancy) are at higher risk for complications such as:

  1. Gestational Diabetes: Insulin resistance can lead to gestational diabetes, which requires careful management to avoid complications.

  2. Pre-eclampsia: A condition characterized by high blood pressure during pregnancy, which can be dangerous for both mother and baby.

  3. Preterm Birth: Insulin resistance can increase the risk of preterm birth.

  4. Macrosomia: Babies born to mothers with insulin resistance are more likely to be larger than average, which can lead to complications during delivery.

Insulin Resistance and Fertility procedures

For individuals struggling with infertility due to insulin resistance, assisted reproductive technologies (ART) like in vitro fertilization (IVF) can be an option.

However, managing insulin resistance is crucial for improving the success rates of these treatments. Proper management of insulin resistance can lead to:

  • Better Ovulation Response: Improved response to ovulation induction medications.

  • Improved Endometrial Receptivity: Better endometrial health, increasing the chances of embryo implantation.

  • Reduced Complications: Lower risk of pregnancy-related complications.

Take charge of your reproductive health with Arva

Insulin resistance can come with its fair share of effects on our reproductive health.

That’s why we created Arva's at-home fertility test, which empowers women to proactively assess their hormonal health and fertility potential.

By measuring HOMA-IR, HbA1c, and other crucial hormones, this test provides valuable insights that can help identify underlying conditions like insulin resistance.

Additionally, our network of gynecologists pan India ensure personalized guidance and support to help you manage these conditions and maintain your reproductive health.

Remember, we‘ve got your back ❤️

Sources

FAQs

1. Can men experience fertility issues due to insulin resistance?

Yes, men can also experience fertility issues due to insulin resistance. High insulin levels can affect sperm quality and quantity, reducing fertility. Additionally, insulin resistance is linked to obesity and metabolic issues, which can further impact male fertility.

2. What are the symptoms of insulin resistance?

Symptoms of insulin resistance can include fatigue, hunger, difficulty concentrating, weight gain, especially around the abdomen, and dark patches of skin (acanthosis nigricans). However, many people with insulin resistance do not exhibit obvious symptoms until it progresses.

3. How is insulin resistance diagnosed?

Insulin resistance is typically diagnosed through blood tests that measure fasting insulin and glucose levels. The HOMA-IR (Homeostasis Model Assessment of Insulin Resistance) index is often used to assess insulin resistance. An oral glucose tolerance test (OGTT) can also be used.

4. Are there medications to treat insulin resistance?

Yes, medications such as metformin are commonly prescribed to improve insulin sensitivity. In some cases, other medications that lower blood sugar or promote weight loss may be used. Always consult with a healthcare provider to determine the best treatment plan.

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Pioneering fertility care, reimagined for India—on your terms.

This site is for informational purposes only and not a substitute for medical advice, diagnosis, or treatment. If you're looking for medical advice, we suggest talking with a qualified physician.

55, 4th A Main, 5th Block, Koramangala, Bangalore, 560095

© 2024 Arva Health

Pioneering fertility care, reimagined for India—on your terms.

This site is for informational purposes only and not a substitute for medical advice, diagnosis, or treatment. If you're looking for medical advice, we suggest talking with a qualified physician.

55, 4th A Main, 5th Block, Koramangala, Bangalore, 560095

© 2024 Arva Health

Pioneering fertility care, reimagined for India—on your terms.

This site is for informational purposes only and not a substitute for medical advice, diagnosis, or treatment. If you're looking for medical advice, we suggest talking with a qualified physician.

55, 4th A Main, 5th Block, Koramangala, Bangalore, 560095

© 2024 Arva Health