Whakakiia te rerenga e whai ake nei: I te Poutu-te-rangi 2007, i puta mai a Duggan 15-tau-tawhito i te papa o te kaitautoko ki te tohu i tana timatanga mo Ingarangi Under-17. Mai i taua wa kua tohu ia i Ingarangi i raro i te <unk>19, i raro i te <unk>20 me te taumata o raro i te <unk>23. I takaro ia i te FIFA U-20 Women's World Cup i te 2008 me te
Ko te tau 2010. I te huritau 18 o Duggan, i eke ia ki tetahi o nga whaainga e rua i te wikitoria whakamutunga a Ingarangi i te 2009 UEFA Women's Under-19 Championship, ki a Sweden i Belarus.