The arrests took place in Sargodha district during counter terrorism operations.
"During a raid in the Bypass Sem Nala area, some 150 kilometers from Lahore, the CTD officials were shot at by two attackers. The CTD officials fired back in self-defence. The attackers fled and three women suspects were arrested while trying to escape," the police said in a statement.
The militants were members of banned Tahreek-i-Taliban Pakistan, it said.
"Initial interrogation revealed that they facilitated some terror attacks in the province," the officials said.
Two suicide jackets and three hand grenades from the possession of the lady terrorists, it said.