Rosalie Tremblay opened the scoring less than four minutes into the first period, but Canada was edged 3-1 by the United States in the series finale in Lake Placid.
Twenty-five players will wear the Maple Leaf in a three-game series against the United States in Lake Placid.
Sixty-nine players – 46 at U18 selection camp and 23 for the development series – will take to the ice in August.
Vicky Sunohara and Alison Domenico return to lead Canada’s U18 and development teams, respectively, this season.
U18 Women’s Worlds returns to Canada for the first time since 2016 when Sydney and Membertou play host next January.
From North Vancouver to a second U18 Worlds and more hockey history, Chloe Primerano is carving her own path.