The judge's ruling stops Indiana from enforcing a law that would impose new requirements on abortion clinics that provide only chemical abortions.
The American Civil Liberties Union of Indiana sues Indiana General Assembly on behalf of the Planned Parenthood facility in Lafayette.
Planned Parenthood is planning a legal challenge to the measure, which regulates Indiana clinics that provide drug-induced abortions.
The legislation creates stricter regulations for facilities that dispense the abortion-inducing drug RU-486.
The bill no longer requires women to undergo an ultrasound before using abortion-inducing drugs.
The Senate approved a bill that would require women to have an ultrasound before a drug-induced abortion.