Related על כתובות 122:19

One who vows from having sex with his wife, Beit Shammai say: [They can remain married] for 2 weeks, like the [period of impurity after the] birth of a female; Beit Hillel say: 1 week, like the birth of a male and like her menstrual period. More than that—he divorces her and pays the ketubah.