PLOD1 and polycystic ovary syndrome: For the PCOS group there was non significant correlation between basal serum LH and CP (R2 = 0.02, F = 1.7 and P= 0.76) or to LB (R2 = 0.01, F = 2.6 and P = 0.77) after adjusting for age, BMI, day of oocyte retrieval, starting dose, total dose of stimulation, type of gonadotrophin used, number of oocytes retrieved, fertilization rate and number of embryos transferred.