YOU SAID:

My mother wets herself each time she has to go to the toilet

INTO JAPANESE

母はトイレに行くたびにおしっこを漏らしてしまう

BACK INTO ENGLISH

My mother pees every time she goes to the bathroom.

INTO JAPANESE

母はトイレに行くたびにおしっこをします。

BACK INTO ENGLISH

My mother pees every time she goes to the bathroom.