Female Testosterone levels*:
- Normal (10-50)
- PCOS (30-150)
- Suspect endocrine tumor (>200)
- Transition FtM (320-1000)~
What could possibly go wrong?

(*approximate total testosterone in ng/dL based on laboratory, etc.)
(~From 2017 Endo Society Guidelines on Gender Dysph) pic.twitter.com/S3suCAealy

— Michael K. Laidlaw, MD (@MLaidlawMD) June 10, 2018