Research suggests that food can influence insulin sensitivity, inflammation, hormone balance, and other biological processes essential for normal ovulation.

What if the foods we eat every day could help create a female health environment more supportive of ovulation?

Research suggests that certain foods and dietary patterns may support ovulation by improving insulin sensitivity, regulating inflammation and oxidative stress, and providing nutrients needed for hormone production and follicular development.

This can be especially important for women experiencing ovulatory dysfunction, including those with polyendocrine metabolic ovarian syndrome (PMOS – formerly polycystic ovarian syndrome, or PCOS). Nutrition is particularly relevant in PMOS because insulin resistance, inflammation, and hormonal dysfunction frequently contribute to impaired ovulation.

How Does Food Affect Ovulation?

Ovulation depends on a carefully coordinated system of communication between the brain and the ovaries. 

During the first part of the menstrual cycle, ovarian follicles grow in response to hormonal signals from the brain. One follicle must successfully mature, produce estrogen, and respond to the hormonal surge that triggers ovulation.

Diet can influence this process through its effects on blood sugar, insulin sensitivity, inflammation, oxidative stress, the gut microbiome, and hormone production.

Insulin resistance is an important connection between food and ovulatory dysfunction. When the body becomes less responsive to insulin, it produces additional insulin to maintain normal blood sugar levels. Elevated insulin can increase ovarian androgen production, interfere with follicular development, and make it more difficult for the ovary to release an egg.

Food can also influence inflammation and oxidative stress. While controlled immune activity and reactive oxygen species participate in normal ovarian function, excessive levels may disrupt the environment required for follicular development and ovulation.

What Does the Research Show?

One of the largest studies examining diet and ovulation followed 17,544 women without a history of infertility as they attempted pregnancy.

Researchers identified a “fertility diet” characterized by greater consumption of monounsaturated fats, lower consumption of trans-fats, more plant-based protein, lower-glycemic carbohydrates, and adequate vitamin and iron intake.

Women with the highest adherence to this dietary pattern had a 66% lower risk of infertility related to ovulatory disorders compared with women with the lowest adherence.

A small randomized trial involving 37 women with PMOS and anovulation provides additional insight. Over three months, 24.6% of cycles among women following a lower-glycemic diet were ovulatory, compared with 7.4% among women following a standard glycemic diet. The authors suggested that the increase in ovulatory cycles may have been related to lower androgen levels resulting from improved insulin resistance.

Together, these studies support the concept that nutrition is an important and modifiable component of ovulatory health.

5 Research-Backed Nutrition Strategies:

1. Choose Lower-Glycemic Carbohydrates 

Highly refined carbohydrates can cause rapid increases in blood sugar and insulin. Repeated elevations may contribute to insulin resistance, inflammation, and increased androgen production – factors that can disrupt ovulation.

Lower-glycemic carbohydrate sources include:

• Non-starchy vegetables
• Beans and lentils
• Whole fruit
• Minimally processed whole grains
• Oats, barley, and quinoa
• Sweet potatoes

It is important to note that an ovulation-supportive diet does not necessarily require eliminating carbohydrates. Instead, it emphasizes carbohydrate quality, appropriate portions, adequate fiber, and the metabolic needs of the individual woman.

2. Include More Plant-Based Protein

Replacing some animal protein with plant-based protein has been associated with a lower risk of ovulatory infertility.

Beans, lentils, chickpeas, nuts, seeds, quinoa, and minimally processed soy foods provide protein along with fiber, vitamins, minerals, antioxidants, and unsaturated fats.

This does not mean all animal protein should be eliminated. For example, eggs, poultry, fish, dairy products, and other animal foods can provide valuable nutrients. The goal is a balanced protein pattern that incorporates plant-based sources.  

3. Select Beneficial Fats

Fat is essential for hormone production, cellular structure, and the absorption of fat-soluble vitamins.

Research suggests that monounsaturated and polyunsaturated fats may be more supportive of ovulatory health, while higher trans-fat intake has been associated with a greater risk of ovulatory infertility.

Helpful fat sources include:

• Extra-virgin olive oil
• Avocados
• Nuts and seeds
• Natural nut and seed butters
• Fatty fish such as salmon, sardines, and trout

Limiting highly processed foods, sweets, and fast food can also help reduce trans-fat intake, refined carbohydrates, and other dietary factors associated with metabolic dysfunction and inflammation.

Supporting ovulation does not require an extremely low-fat diet. Balance matters because both inadequate and excessive fat intake may negatively affect reproductive function.

4. Prioritize Essential Nutrients

Several nutrients may play important roles in ovarian and ovulatory health, including B vitamins such as folate, vitamin D, iron, antioxidant vitamins, and omega-3 fatty acids.

A nutrient-dense diet may support ovulatory function in several ways. B vitamins participate in homocysteine regulation and cellular development. Vitamin D contributes to endocrine and ovarian signaling, while antioxidant nutrients help regulate excessive oxidative stress.

These nutrients can be found in leafy green vegetables, beans, lentils, eggs, fish, berries, citrus fruits, nuts, seeds, and other minimally processed foods.

Supplementation should be individualized, and more is not always better. Laboratory evaluation and professional guidance can help identify deficiencies and determine whether supplementation is appropriate.

5. Build a Mediterranean-Style Eating Pattern

Rather than focusing on one “fertility food,” a Mediterranean-style dietary pattern can provide a supportive nutritional framework.

This approach emphasizes vegetables, fruits, beans, lentils, whole grains, olive oil, nuts, seeds, fish, and minimally processed foods while limiting refined carbohydrates and trans-fats.

Together, these foods provide fiber, antioxidants, unsaturated fats, vitamins, minerals, and plant compounds that can support insulin sensitivity while helping regulate inflammation and oxidative stress. These characteristics align closely with the dietary factors associated with a lower risk of ovulatory infertility.

Separately, a systematic review of dietary interventions in women with PMOS found improvements in ovulation, menstrual regularity, pregnancy outcomes, and several hormonal markers. The positive effects were also associated with treatment duration – the longer the intervention, the greater the improvement.

However, it is important to keep in mind that research has not established one ideal diet for every woman with PMOS. Nutrition should be individualized according to each woman’s metabolic health; nutritional needs; cycle observations; and her own health and fertility goals.

Can Food Restore Ovulation?

Food can support the biological processes required for ovulation, but ovulation-related issues should be evaluated in the context of the entire female health and reproductive picture.

Ovulatory dysfunction is often associated with multiple, complex issues such as PMOS, thyroid disorders, elevated prolactin, hypothalamic dysfunction, excessive exercise, inadequate energy intake, significant weight changes, poor sleep, chronic stress, premature ovarian insufficiency, inflammation, and other hormonal or metabolic disorders.

Nutrition should therefore be incorporated into a comprehensive evaluation of menstrual-cycle patterns, hormonal function, metabolic health, and inflammation-related factors that can both directly and indirectly interfere with ovulation.

True Health Matters Summary

Ovulation itself is a complex process and is influenced by hormonal, metabolic, inflammatory, environmental, and nutritional factors. Research suggests that dietary patterns can support the essential biological processes required for normal ovarian function.

A dietary pattern emphasizing lower-glycemic carbohydrates, balanced proteins, beneficial fats, nutrient-dense foods, and Mediterranean-style eating has been associated with better ovulatory and fertility-related outcomes.

The goal, in support of female and reproductive health, is to create an environment in which the reproductive framework, including the brain, hormones, gut, metabolism, and ovaries are better supported, while at the same time mitigating the potential impact of aggravating inflammatory reproductive factors by regulating oxidative stress.  

References:

[1] Chavarro JE, Rich-Edwards JW, Rosner BA, Willett WC. Diet and lifestyle in the prevention of ovulatory disorder infertility. Obstet Gynecol. 2007 Nov;110(5):1050-8. doi: 10.1097/01.AOG.0000287293.25465.e1. PMID: 17978119.

[2] Jurczewska J, Szostak-Węgierek D. The Influence of Diet on Ovulation Disorders in Women-A Narrative Review. Nutrients. 2022 Apr 8;14(8):1556. doi: 10.3390/nu14081556. PMID: 35458118; PMCID: PMC9029579.

[3] Shang Y, Zhou H, He R, Lu W. Dietary Modification for Reproductive Health in Women With Polycystic Ovary Syndrome: A Systematic Review and Meta-Analysis. Front Endocrinol (Lausanne). 2021 Nov 1;12:735954. doi: 10.3389/fendo.2021.735954. PMID: 34790167; PMCID: PMC8591222.

[4] Sordia-Hernández LH, Ancer Rodríguez P, Saldivar Rodriguez D, Trejo Guzman S, Servín Zenteno ES, Guerrero González G, Ibarra Patiño R. Effect of a low glycemic diet in patients with polycystic ovary syndrome and anovulation – a randomized controlled trial. Clin Exp Obstet Gynecol. 2016;43(4):555-559. PMID: 29734548.