Penn State couldn’t keep pace with No. 3 St. Lawrence in a 3-0 loss on Monday at Pegula Ice Arena.
Kennedy Marchment scored two goals and Justine Reyes added one goal for the Saints, who improved to 14-0-1 this season.
St. Lawrence outshot Penn State 37-18.
Penn State goalie Hannah Ehresmann made 34 saves.
The Nittany Lions (5-7-3) take on the Saints again at 3 p.m. Tuesday.