In the group A , E2 level [ ( 110.99 + / - 12.90 ) pg/mL vs ( 83.94 + / - 8.91 ) pg/mL , P < 0.05 ] and PGF2alpha level [ ( 24.58 + / - 3.01 ) pg/mL vs ( 14.34 + / - 1.48 ) pg/mL , P < 0.01 ] were decreased and P level was increased [ ( 4.65 + / - 0.68 ) ng/mL vs ( 6.68 + / - 0.95 ) pg/mL , P < 0.05 ] .