The mean serum AMH levels of preoperative , 1 week , 1 month and 3 months after laparoscopy were 4.42.9 , 2.72.2 , 2.31.9 , and 2.51.5 ng/mL ( in the SPA group ) , 3.62.5 , 2.32.2 , 2.63.2 , and 2.72.6 ng/mL ( in the TPA group ) , and 3.93.2 , 2.42.1 , 2.52.0 , and 2.82.2 ng/mL ( in the FPA group ) , respectively .