PLOD1 and Hypergonadotropic hypogonadism: Investigation confirmed hypergonadotropic hypogonadism with an FSH 27.8 IU/L (Normal range 1–12 IU/L), LH 21 IU/L (Normal range 1–9 IU/L) and serum testosterone 0.9 nmol/L (Normal range 11–36 nmol/L).