Buuxi weedha soo socota: Bishii Maarso 2007, Duggan oo 15 jir ah ayaa ka soo baxday kursiga keydka si ay u dhalido 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
Sanadkii 2010. 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.