PCOS

 

References

Overview

  • 8 to 13% of women

  • Consider if irregular periods, overweight, hirsutism acne, infertility, prediabetes, GDM or early T2DM

Diagnosis

Irregular periods

  • <21 days or >35 days

Clinical hyperandrogenism

  • Acne

  • Hirsutism

  • Alopecia

Biochemical androgens

  • SHBG, Total Testosterone, FAI

Ultrasound

  • Should not be used in those <8 years after menarche due to high incidence of multi-follicular ovaries

  • Only needs if irregular cycles OR hyperandrogenism only

  • Can identify the complete PCOS phenotype

Management

  • Lifestyle

    • Healthy eating

    • Regular physical activity 30 minutes daily

    • Realistic weight loss goals 5 to 10%

  • Hyperandrogenism

    • Cosmetic options

    • COCP - aim for the lowest effective dose

    • Spironolactone 100 to 200mg daily

  • Menstrual cycle regulation

    • Lifestyle effects help

    • All COCP helps, no one is more effective

    • Progestogens alone may be used cyclically or an IUD

    • Metformin improves ovulation and re-establishes cycle

      • 500mg daily, increase by 500mg every 1 to 2 weeks up to 1500 or 2000mg

  • Fertility

    • BMI > 25 = start with weight loss

    • 5 to 10% of weight loss may assist in cycle control and fertility

    • Drug options include Letrozole or Clomiphene

    • Metformin can be trialled

    • Refer to fertility specialist if unable to conceive

      • 12 months if < 35 years

      • 6 months if > 35 years

  • Weight management

    • Education alone and unachievable goals are generally unsuccessful

    • Simple behavioural changes that are sustainable

    • Calorie deficit of 2000kJ daily need for weight loss

    • 250min of moderate exercise per week

    • Consider

      • Dietitian

      • Exercise physiologist

      • Psychologist

  • Cardiometabolic health

    • Smoking cessation

    • BP check annually

    • Lipids profile at baseline then 2 to 4 yearly

    • Diabetes screening every 1 to 3 years

  • Mental and emotional health

    • Higher risk of moderate to severe anxiety and depression

    • Screen eating disorders

  • Sleep apnoea

    • Screen and monitor clinically

 
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Contraception