You may have recently come across the term "PMOS" instead of "PCOS" and wondered whether it refers to a new health condition. Polyendocrine Metabolic Ovarian Syndrome (PMOS) is the updated terminology for what was previously called Polycystic Ovary Syndrome (PCOS). The change is intended to better represent the wider hormonal and metabolic features associated with the condition. [2, 3]
The terminology has changed, but the condition itself has not suddenly become different. People previously diagnosed with PCOS do not automatically have a new disease or require a completely different treatment approach. [2, 3]
What Are PMOS Symptoms?
PMOS can present differently from person to person. Some people may experience noticeable menstrual or hormonal symptoms, while others may have fewer or milder signs. Certain symptoms may also be associated with metabolic changes. [1, 2, 4] The table below summarises common PMOS symptoms alongside the assessments or tests a healthcare professional may consider when evaluating them.
What Causes PMOS?
There is no single known cause. Genetic, hormonal and metabolic factors may all play a role. [1, 3] Diagnosis usually involves reviewing symptoms and medical history, assessing hormone-related features and considering appropriate tests while excluding other possible conditions. [1, 2]
| Symptom or feature | How it may appear | Assessment or test | What it may assess |
| Irregular periods | Infrequent or unpredictable periods | Menstrual history | Ovulation and cycle patterns |
| Ovulation problems | Ovulation may occur less regularly | Hormone blood tests | Hormonal and ovulatory function |
| Excess hair growth | Increased facial or body hair | Androgen blood tests | Elevated androgen levels |
| Acne | Persistent or worsening acne | Clinical assessment | Androgen-related symptoms |
| Hair thinning | Reduced scalp hair growth | Clinical assessment | Signs of androgen-related hair changes |
| Metabolic changes | Insulin resistance or weight changes | Glucose and lipid tests | Blood sugar and metabolic health |
PMOS and Fertility
PMOS may affect fertility when irregular ovulation makes conception more difficult. However, having PMOS does not mean that pregnancy is impossible. [1, 2] Depending on individual circumstances, lifestyle changes, medicines or fertility treatments may support ovulation and conception. [1, 2]
PMOS Treatment
Management is personalised according to symptoms and health goals. It may include balanced nutrition, regular physical activity, appropriate weight management, medicines for specific symptoms or metabolic concerns, and fertility treatment when required. [1, 2, 3]
Conclusion
Although the name has changed from PCOS to PMOS, the underlying condition has not suddenly changed. [2, 3] Understanding its symptoms and associated health concerns can help with timely evaluation and appropriate management.
Concerned about PMOS symptoms? Book a consultation for personalised medical guidance.
FAQs
What Is Polyendocrine Metabolic Ovarian Syndrome (PMOS)?
PMOS is the updated terminology for the condition previously known as PCOS. It reflects the condition’s broader hormonal, reproductive and metabolic features. [2, 3]
Why Did PCOS Become PMOS?
The terminology was changed to better describe the wider range of features associated with the condition. The name change does not mean that PCOS has become a different disease. [2, 3]
Is PMOS the Same Condition as PCOS?
Yes. PMOS refers to the same condition previously called PCOS. People with an existing PCOS diagnosis do not automatically need a new diagnosis because of the terminology change. [2, 3]
How Is PMOS Diagnosed?
Diagnosis involves reviewing symptoms and medical history, along with appropriate clinical assessment and tests. Depending on the individual, these may include hormone blood tests, glucose testing, lipid testing or pelvic ultrasound. [1, 2]
Can I Get Pregnant If I Have PMOS?
Yes. PMOS can affect ovulation and make conception more difficult for some people, but it does not mean pregnancy is impossible. Fertility treatment may be considered when appropriate. [1, 2]
What Is the Main Cause of PMOS?
There is no single known cause. Genetic, hormonal and metabolic factors may contribute to the development of PMOS. [1, 3]
How Is PMOS Treated?
Treatment is personalised according to symptoms and health goals. It may include healthy eating, physical activity, weight management where appropriate, medicines for specific symptoms and fertility treatment when needed. [1, 2, 3]
References