After two seasons playing in BSF's first team, she went back to her youth club Brøndby IF in June 2014.

[3] In June 2017, she signed a two-year contract with defending English champions Manchester City.

[5] In September 2021, Leth Jans joined Australian W-League club Perth Glory.

[6] Leth Jans made her debut for the Danish national team in November 2013.

She came on as a substitute for future Brøndby IF teammate Nanna Christiansen in the 79th minute during a 2015 FIFA Women's World Cup qualifying game against Malta in Valletta.