A bill protecting access to in-vitro fertilization, or IVF, failed in the U.S. Senate for a second time this week. Only two Republicans voted in favor.Senator Tim Kaine (D-Virginia) co-sponsored the legislation and said he's disappointed his colleagues in the Senate blocked the legislation for a second time.

The US Senate is expected to hold a vote on Tuesday on a bill that would guarantee access to in vitro fertilization nationwide –- a move that comes as Democrats seek to pressure Republicans over the issue in the run-up to the November elections.

A bill that aimed to establish a right to in vitro fertilization failed on a procedural vote in the U.S. Senate Sept. 17. The measure failed 51-44, needing 60 votes to procee