PCOS
References
PCOS fact sheet - Jean Hailes
PCOS Tool for Doctors - Jeans Haillers
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