The bill seeks to bar public officials from cooperating with authorities in other states who try to block their residents from seeking abortions out of state.
The House Judiciary Committee voted along party lines to move HB 637 forward.
The newly elected state lawmaker plans to focus on affordable housing and reproductive rights after winning her special election.
Controlling the state House allows Democrats to block Republican efforts to ban abortion and claw back power from the governor.
For the third time in less than eight months, a special election will decide partisan control of the narrowly divided Pennsylvania House of Representatives.