If you are a female, the normal range for your Free Androgen Index may vary based on several factors.
Factor 1: Use of oral contraceptives. Good Range: 0-3.4
Factor 2: Post menopausal (untreated). Good Range: 0-6.6
Factor 3: Hirsute: Good Range: 1.7 - 20.6
The good range will also vary based on your menstrual cycle:
Normal Menstruating. Good Range: 0 - 8.5
Follicular phase. Good Range: 0.8 - 9.3
Midcycle. Good Range: 1.3 - 17
Luteal phase. Good Range: 0.8 - 11