PLOD1 and Delayed puberty: Additionally, one male, FIII/16, received sex steroids for delayed puberty, but normal gonadotropins (LH levels of 22.7 mIU/mL after LHRH analogue stimulation) and testosterone levels (403 ng/dL (normal range 300–1200)), along with testicular growth (12 mL bilaterally), were identified at age 18 years.