WEST LAFAYETTE, Ind. (AP) -- Katie Douglas scored 20 points and Kelly Komara added 17 as Purdue (No. 19 ESPN/USA Today, No. 17 AP) snapped a three-game losing streak by routing Northwestern 70-31 on Sunday.

Purdue (14-5, 6-3 Big Ten) took control from the outset and pulled away from the Wildcats in the final 13 minutes of the first half with a 29-7 run that gave the Boilermakers a 37-12 edge at the break.

Northwestern (6-13, 3-6) went scoreless from the 6:44 remaining in the first half until 16:26 was left in the game.

During the Northwestern drought, Purdue scored 22 points, including the first eight points of the second half, and led 45-12 with 16:43 remaining on Camille Cooper's 5-foot jump shot.

Six different Boilermakers scored in Purdue's 22-0 run as Douglas led the way with seven points. Purdue's largest lead in the second half came on Candi Crawford's layup that made it 63-19 with 7:37 to go.

Purdue reserve Mary Jo Noon finished with 12 points and 12 rebounds.

Nicole Daniels led Northwestern with seven points as the Wildcats shot a dismal 26 percent (12-of-47) for the game.

Purdue shot 49 percent for the game (26-of-53) and the Boilermakers outrebounded the Wildcats 40-20. Purdue also had 17 steals to eight for Northwestern.