Adult Health

PCOS and Fertility: How to Improve Ovulation and Egg Quality

Key Idea Fertility is not just about hormones. It’s the result of metabolic, cellular, and environmental...

Key Idea

Fertility is not just about hormones. It’s the result of metabolic, cellular, and environmental health working together.

If You Have PCOS and Are Struggling to Get Pregnant

If you have PCOS and are struggling to conceive, the issue is often not just hormones but how your body is managing blood sugar, inflammation, and cellular energy production.

The encouraging part? These are modifiable factors.

In my work with women across Annapolis, Baltimore, and the DC area (as well as virtually nationwide), I consistently see ovulation and fertility improve when we address these root causes.

What Causes Infertility in PCOS?

PCOS-related infertility is typically driven by:

Insulin resistance
Elevated androgens (testosterone)
Chronic inflammation
Disrupted ovulation
Poor egg quality

Most approaches stop at hormone management.

But a functional approach goes deeper.

How Insulin Resistance Affects Ovulation

Up to 70% of women with PCOS have insulin resistance.

Elevated insulin:

Stimulates excess testosterone production
Disrupts follicle development
Prevents consistent ovulation

It also impacts egg quality through increased oxidative stress. This is why blood sugar control is foundational.

The Missing Link: Mitochondrial Function and Egg Quality

This is where most fertility conversations fall short.

Your eggs contain a very high number of mitochondria. These are the structures responsible for producing cellular energy (ATP).

Mitochondria are critical for:

Egg maturation
Chromosomal integrity
Fertilization
Early embryo development

When mitochondrial function is impaired, egg quality declines, even if hormones appear “normal.”

What Damages Mitochondria?

In PCOS, mitochondrial function is often affected by:

Insulin resistance
Chronic inflammation
Oxidative stress
Environmental toxins
Poor sleep and circadian disruption

How to Optimize Mitochondrial Function (and Fertility)

Exercise: Build More and Better Mitochondria

Exercise is one of the most powerful ways to improve mitochondrial function.

Strength training → improves insulin sensitivity
Aerobic movement → increases mitochondrial biogenesis

Aim for:

3–4 strength sessions per week
Daily walking or movement

Protein + Nutrient Density

Mitochondria rely on amino acids and micronutrients.

Focus on:

25–35g protein per meal
Iron, B12, zinc-rich foods (Grass-fed beef, lamb, bison, oysters, clams/mussels, sardines, tuna, eggs – in smaller amounts but they still contribute)

Key Takeaway

If you want to support fertility, build your meals around foods that provide iron, B12, and zinc — these are the building blocks for healthy eggs and hormones.

Antioxidants: Protect Egg Quality

Antioxidants reduce oxidative stress that damages mitochondria.

This means: High intake of colorful plant foods

Examples:

Berries (blueberries, raspberries, blackberries)
Leafy greens
Cruciferous vegetables (cauliflower, broccoli, kale, brussel sprouts)
Herbs and spices

Polyphenols: Advanced Cellular Support

Polyphenols are bioactive compounds that:

Reduce inflammation
Improve mitochondrial efficiency
Support insulin sensitivity

Key sources:

Berries
Green tea (EGCG)
Extra virgin olive oil
Turmeric (curcumin)
Dark chocolate (high cacao)
Pomegranate, grapes

Anti-Inflammatory Fats

These support hormone production and mitochondrial membranes.

Include:

Extra virgin olive oil
Avocado + avocado oil
Nuts (walnuts, almonds)
Seeds (chia, flax, hemp)
Fatty fish (salmon, sardines, mackerel)

Reducing Toxins and Supporting Hormone Balance

Environmental toxins are an often overlooked contributor to PCOS and infertility.

Endocrine disruptors (EDCs) can:

Mimic hormones
Disrupt ovulation
Reduce egg quality

Practical Ways to Reduce Exposure

Kitchen:

Use glass or stainless steel
Avoid heating food in plastic

Personal care:

Choose fragrance-free products
Reduce phthalate exposure

Food:

Wash produce thoroughly
Prioritize organic, especially for high-residue foods

Supporting Detox Pathways

Hormone balance depends on your ability to metabolize and eliminate hormones effectively.

Foundational support:

Fiber (binds estrogen)
Cruciferous vegetables (broccoli, cauliflower)
Hydration
Regular bowel movements

Targeted support (when appropriate):

Combinations such as:

Vitamin C
Alpha-lipoic acid (ALA)
Indole-3-carbinol / DIM (e.g., Indolplex-type formulas)

May support:

Estrogen metabolism
Liver detoxification pathways

Blood Sugar Control (Non-Negotiable)

Every meal should include:

Protein
Fat
Fiber

Avoid “naked carbs” always.

Stable blood sugar:

Improves ovulation
Reduces inflammation
Supports egg quality

Sleep is critical for:

Hormone regulation
Insulin sensitivity
Mitochondrial repair

Optimize:

Morning light exposure
Consistent sleep schedule
Reduced nighttime screen use

Supplements That Support Fertility in PCOS

(Individualized, but commonly helpful)

Inositol → improves ovulation and insulin sensitivity
Omega-3 fatty acids → reduce inflammation
Vitamin D → supports fertility outcomes
NAC → improves ovulation rates
CoQ10 → supports mitochondrial function and egg quality

Magnesium (Important Detail)

Best forms:

Magnesium glycinate → stress + sleep
Magnesium malate → energy production

Avoid:

Magnesium oxide (poor absorption)

Prenatal or High-Quality Multivitamin

Yes — this is important.

A well-formulated prenatal or multivitamin provides:

Methylated folate
B vitamins
Iron (if needed)
Iodine
Choline (critical for fetal development)

A 360° Approach to Improving Your Chances of Getting Pregnant

Fertility is not just about ovulation.

It reflects:

Metabolic health
Hormonal balance
Cellular energy
Environmental inputs

Key Takeaway

Egg quality is not fixed, but it is influenced daily by how you eat, move, sleep, and live.

When you improve:

Blood sugar control
Mitochondrial function
Inflammation
Toxin exposure

You improve your chances of conception.

FAQs

Can you get pregnant naturally with PCOS?

Yes. Many women can restore ovulation and improve fertility by addressing insulin resistance, inflammation, and lifestyle factors.

How long does it take to improve fertility with PCOS?

Improvements can begin within a few months, but meaningful changes in egg quality may take 3-6 months due to the egg development cycle.

What is the best diet for PCOS fertility?

A diet focused on protein, fiber, healthy fats, and low glycemic carbohydrates supports blood sugar control and hormone balance.

Does insulin resistance affect egg quality?

Yes. Insulin resistance increases oxidative stress and inflammation, which can negatively impact egg quality.

Explore related articles about wellness, nutrition, gut health, stress, burnout, and more.

Written by Therese Nadler, MS, RDN, CDN, founder/owner of Nadler Nutrition, a pediatric and women’s health nutrition practice based in Annapolis, Maryland, serving patients throughout the Washington DC and Baltimore areas, with telehealth appointments available.

Azziz R et al. PCOS prevalence. J Clin Endocrinol Metab. 2004
Diamanti-Kandarakis E et al. Insulin resistance. Endocr Rev. 2012
Dunaif A. Insulin resistance in PCOS. Endocr Rev. 1997
Palomba S et al. Lifestyle and fertility. Hum Reprod Update. 2009
Moran LJ et al. Diet in PCOS. Hum Reprod Update. 2013
Unfer V et al. Inositol. Gynecol Endocrinol. 2012
Oner G et al. Omega-3 and PCOS. Eur J Obstet Gynecol. 2013
Lerchbaum E et al. Vitamin D and fertility. Eur J Endocrinol. 2012
Thakker D et al. NAC and PCOS. Fertil Steril. 2015
Tilly JL, Sinclair DA. Mitochondria and oocyte quality. Science. 2013
Wallace DC. Mitochondrial function. Science. 2012
Gore AC et al. Endocrine disruptors. Endocr Rev. 2015
Swan SH. Environmental exposures and fertility. Environ Health Perspect. 2008
Calder PC. Omega-3 and inflammation. Nutrients. 2015
Scalbert A et al. Polyphenols. Am J Clin Nutr. 2005
Ristow M. Mitochondrial adaptation. Cell Metab. 2014