Table 4.

The Rate of Bilateral Salpingectomy in our centre from 2007 to 2017

Year	Bilateral salpingectomy Cases (n)	Benign diseases operation cases (n)	The rate of bilateral salpingectomy (%)
2007	74	336	22.02
2008	132	471	28.03
2009	218	703	31.01
2010	263	751	35.02
2011	286	785	36.43
2012	307	682	45.01
2013	352	721	48.82
2014	386	743	51.95
2015	411	758	54.22
2016	477	799	59.70
2017	112	186	60.22
Total	3018	6935