Patients were stratified according to basal FSH and E@ : FSH < @ mIU/mL and E@ < @ pg/mL ( group @A ) , FSH < @ mIU/mL and E@ pg/mL ( group @B ) , FSH , @-@ mIU/mL and E@ < @ pg/mL ( group @A ) , and FSH , @-@ mIU/mL and E@ pg/mL ( group @B ) .