The annual March for Life is expected to draw thousands to the National Mall.
A "Resolution on Republican Pro-Life Strategy” will be introduced at the RNC's meeting.
The legislation would permanently ban federal funding for abortion, among other provisions.
They seemed divided on whether no-entry zones around clinics violate free speech rights.
Arguments are set Wednesday in a case that examines rights of protestors outside clinics.
House Minority Leader Nancy Pelosi (D-Calif.) blasted the Republican Party for refusing to allow Washington, D.C., Del. Eleanor Holmes Norton (D) to testify at a hearing about federal funding for abortion.
Analysis shows the number of laws passed in last three years surpasses those in past decade.
A new Senate bill would require transparency on which ObamaCare plans cover abortion or assess an "abortion surcharge."
Rep. Louie Gohmert (R-Texas) and 20 other House Republicans have written a bill that would ban abortions on anyone under the age of 18 unless the minor's parents have been notified.
A group of Democratic lawmakers introduced legislation Wednesday that would protect abortion rights by banning restrictive requirements enacted by states.