PLOD1 and Infertility: Basic demographic characteristics, such as age, BMI, age of menarche, duration of infertility, abortion number, infertility aetiology, basic hormone levels (FSH, LH, E2, T, P, AMH, INHB, and DHEAs) and AFC, were not significantly different (P >0.05) between the DHEA and control groups (Table 1).