PMOS is diagnosed using the Rotterdam criteria, which requires at least two of the following three features:

• Irregular or absent menstrual cycles

• Elevated androgens — either in a blood test or through symptoms such as acne, excess hair growth, or hair thinning

• Polycystic-appearing ovaries on ultrasound

Because PMOS presents so differently from woman to woman, it is often underdiagnosed — or dismissed — for years before a diagnosis is made.

Symptoms of PMOS

The effects of PMOS are seen across multiple body systems, and the symptom picture varies widely between individuals. Common symptoms include:

Menstrual and reproductive symptoms

• Irregular, infrequent, or absent periods

• Difficulty conceiving

• Recurrent miscarriage

Hormonal and skin symptoms

• Acne, particularly along the jaw and chin

• Excess facial or body hair (hirsutism)

• Hair thinning or loss on the scalp

• Oily skin

Metabolic symptoms

• Weight gain or difficulty losing weight, particularly around the abdomen

• Fatigue and low energy

• Sugar cravings and blood sugar fluctuations

• Darkening of skin in skin folds (acanthosis nigricans)

Mental and emotional symptoms

• Anxiety and depression

• Mood swings

• Brain fog and difficulty concentrating

Many women with PMOS carry their symptoms for years without connecting them to a single underlying pattern. Recognizing the full picture is the first step toward supporting your body on its path to healing.

Understanding the Root Causes of PMOS

One of the most important shifts in understanding PMOS — reflected in its new name — is moving away from seeing it as purely a reproductive condition and recognizing it as a systemic hormonal and metabolic disorder. There are several key drivers that are frequently at the root:

Insulin Resistance Insulin resistance is present in up to 70% of women with PMOS, regardless of body weight. When cells become less responsive to insulin, the body compensates by producing more — and elevated insulin directly stimulates the ovaries to produce excess androgens. This is why addressing blood sugar regulation is so central to integrative PMOS care.

Elevated Androgens Higher levels of androgens — testosterone and related hormones — are responsible for many PMOS symptoms, including acne, hair loss, and excess hair growth. Understanding where the androgen excess is coming from (ovarian, adrenal, or driven by insulin) shapes the treatment approach.

Chronic Low-Grade Inflammation Research increasingly points to chronic inflammation as both a driver and a consequence of PMOS. Inflammatory signals can impair ovulation, worsen insulin resistance, and contribute to the metabolic complications associated with the condition.

HPA Axis Dysregulation For some women, PMOS has a significant adrenal component — meaning stress hormones play a key role in the hormonal imbalance. Chronic stress, sleep disruption, and nervous system dysregulation can all contribute to and worsen PMOS symptoms.

Gut Health Emerging research points to the gut microbiome as a significant player in PMOS. Disruptions in gut bacteria can influence estrogen metabolism, insulin sensitivity, and inflammation — all of which are relevant to the PMOS picture.

Understanding which of these drivers is most prominent for you as an individual is what leads to personalized, rather than generic, treatment.

How Conventional Medicine Typically Approaches PMOS

The conventional medical approach to PMOS most commonly involves the oral contraceptive pill to regulate cycles and manage androgen-related symptoms. Medications such as metformin for insulin resistance and spironolactone for androgen excess are also often used. In some cases, fertility medications are introduced when conception is the goal.

These tools can be helpful, particularly in the short term; however, they address the symptoms of PMOS rather than its underlying drivers. When the medications are discontinued, symptoms frequently return.

An Integrative Approach to PMOS

An integrative approach to PMOS begins with a thorough assessment — not just of your cycle, but of your metabolic health, your stress levels, your sleep, your gut health, your emotional wellbeing, and the broader context of your life. From there, a layered and individualized care plan is built.

Every care plan is different, because every woman's experience of PMOS is different. Treatment may draw on nutrition and blood sugar regulation, lifestyle and movement support, targeted nutritional supplements, botanical medicine, hormonal support, and prescription medication where appropriate. Addressing nervous system regulation and the emotional dimensions of living with PMOS are also important parts of the picture.

PMOS and Fertility

PMOS is a leading causes fertility challenges. Optimizing your hormonal and metabolic health before conception has important benefits not only for fertility but for pregnancy outcomes and long-term health.

If fertility is your goal, the integrative approach outlined above forms the foundation of preconception care — creating the conditions in which conception can occur as naturally as possible, and supporting your body through the process.

Working With Me

At Embodied Health, we begin with a comprehensive assessment of your hormonal, metabolic, and overall health. We look at what is driving your PMOS, and build a care plan that addresses those drivers — drawing on appropriate diagnostic tests, nutrition, lifestyle, supplements, botanical medicine, and prescription care where appropriate, always within the context of your whole person.

This work is done virtually, available to women throughout Ontario.