Populations and Risk Factors
- Approximately 6-15% of females of reproductive age
- May begin developing before adolescence
- Women with obesity (particularly central obesity)
- Family history of PCOS or metabolic syndrome
- Women with insulin resistance or hyperinsulinemia
- Higher prevalence in certain ethnic groups (South Asian, Indigenous Australian)
Causes and Pathophysiology
- Hormonal imbalance: Excess androgen levels with persistent anovulation. The ovaries produce more testosterone than normal
- LH/FSH ratio: Elevated LH relative to FSH prevents follicular maturation. Follicles begin developing but arrest at the antral stage, accumulating as the "polycystic" morphology on ultrasound
- Insulin connection: Closely linked to insulin resistance and hyperinsulinemia. Insulin acts directly on ovarian theca cells to stimulate androgen production, creating a vicious cycle
- Estrogen conversion: High androgens are converted to estrogen in adipose tissue, further stimulating the hypothalamus to increase LH secretion
- Progesterone deficiency: Persistent anovulation means no corpus luteum forms to produce progesterone. Chronic unopposed estrogen stimulation increases risk of endometrial hyperplasia and cancer
- Metabolic syndrome overlap: 50-70% of PCOS patients have metabolic syndrome. Cardiovascular disease risk is significantly elevated
Signs and Symptoms
- Oligomenorrhea (infrequent periods) or amenorrhea (absent periods)
- Hirsutism (excessive facial or body hair, typically face, chest, and legs)
- Acne and oily skin (androgen-driven)
- Central obesity (excess weight in upper body/abdomen)
- Infertility or difficulty becoming pregnant
- Chronic low back and sacral pain
- Acanthosis nigricans (darkened, velvety skin at neck/axillae — marker of insulin resistance)
- Red flags: Sudden acute abdominal pain suggests cyst torsion or rupture — emergency referral; post-menopausal bleeding in a PCOS patient requires investigation for endometrial pathology
CMTO Exam Relevance
- Recognize the classic triad: obesity, hirsutism, and anovulation (Stein-Leventhal syndrome)
- PCOS is a leading cause of female infertility due to chronic anovulation
- Weight loss of 5-10% is often the most effective intervention to improve insulin resistance and restore ovulation
- The "cysts" on ultrasound are halted primordial follicles, not true cysts
- Differentiate from other causes of hirsutism and amenorrhea (adrenal disorders, thyroid dysfunction, Cushing syndrome)
Massage Therapy Considerations
- Goal: Palliative care for psychosocial stress, chronic low back and sacral pain, and metabolic syndrome-related discomfort
- Abdominal precaution: Avoid intrusive abdominal massage if large cysts are present to prevent rupture and internal bleeding
- Systemic awareness: Higher risks for diabetes and hypertension requiring specific adaptations (check medication list, monitor for orthostatic changes)
- Positioning: Prone position is appropriate for sacral pain. If supine, use bolsters to support a neutral pelvis
- Referral: Persistent unexplained pelvic pain or sudden acute abdominal pain requires immediate medical evaluation
Key Takeaways
- PCOS is an endocrine disorder involving excess androgens, chronic anovulation, and insulin resistance affecting 6-15% of reproductive-age women
- The classic triad is obesity, hirsutism, and anovulation. The "cysts" are actually halted primordial follicles
- Weight loss of 5-10% is often the most effective way to improve insulin resistance and restore ovulation
- Avoid intrusive abdominal massage if large cysts are present. Screen for diabetes and hypertension as comorbidities
- Sudden acute abdominal pain suggests cyst torsion or rupture — emergency referral