PCOS - Diagnosis

• PCOS is a biochemically and clinically heterogeneous condition
• Women with clinical or biochemical evidence of PCOS but with normal ovarian morphology on ultrasound scan should be considered as having hyperandrogenic chronic anovulation
• Women with PCOS may have normal LH:FSH ratio and a normal body mass index

• Rapidly progressive virilisation would indicate an androgen-secreting tumour