Ku sii wad qodobkan - Bishii Maarso 2007, 15-jir Duggan ayaa ka soo baxay kursiga keydka si ay u dhaliyaan kulankeedii ugu horeeyay ee England Under-17. Tan iyo markaas waxay England u soo bandhigtay heerarka Under-19, Under-20 iyo Under-23. Waxay ka ciyaartay FIFA U-20 Women's World Cup labadaba 2008 iyo 2010
Waxaad Duggan ayaa dhalashadeedii 18-aad, waxay dhaliyay mid ka mid ah labadii gool ee guushii ugu dambeysay ee England ee 2009 UEFA Women's Under-19 Championship, oo ka dhan ah Sweden ee Belarus.