PCOS: Causes, Symptoms, Complications, Diagnosis, and Treatment

2 May 2025 | Author Synphaet Ramintra Hospital

What Are the Causes of PCOS?

The exact mechanism of PCOS is not fully understood, but common risk factors include:

  • Genetic factors, often found in families with a history of PCOS
  • Insulin resistance
  • Hormonal imbalance, especially elevated androgen levels

What Are the Symptoms of PCOS?

  • Irregular periods: missed, infrequent, or light menstruation
  • Infertility due to irregular or absent ovulation
  • Symptoms of high male hormones: acne, oily skin, excessive hair growth, hair loss
  • Obesity or being overweight

What Are the Complications of PCOS?

If left untreated, PCOS increases the risk of complications such as:

  • Endometrial thickening or endometrial cancer due to irregular ovulation
  • Type 2 diabetes
  • High cholesterol
  • High blood pressure
  • Metabolic syndrome
  • Stroke or heart disease
  • Depression or anxiety
  • Infertility, recurrent miscarriage, gestational diabetes, preeclampsia

How Is PCOS Diagnosed?

  • Medical history and menstrual cycle assessment
  • Physical examination for signs of high androgen levels: oily skin, acne, excessive hair, baldness, and obesity evaluation
  • Pelvic examination with ultrasound to detect ovarian cysts
  • Blood tests to measure hormone levels (thyroid, pituitary, adrenal), blood sugar, and lipid levels

How Is PCOS Treated?

  • Lifestyle changes: weight control, healthy diet, exercise, stress management
  • Medications: hormonal therapy to regulate menstruation for women not seeking pregnancy; ovulation-inducing drugs or surgery to assist conception if needed
  • Prevention and treatment of complications: managing insulin resistance, diabetes, high cholesterol, cardiovascular issues, and endometrial thickening
SHARE