An Idaho law that prohibits abortions of fetuses 20 or more weeks after fertilization is unconstitutional, a U.S. appeals court ruled on Friday.
The ruling, from the 9th U.S. Circuit Court of Appeals in San Francisco, also struck down an Idaho law that required all second-trimester abortions to occur in a hospital.
Bans on abortion after 20 weeks have been passed in 12 U.S. states since 2010, according to NARAL Pro-Choice America, an abortion rights advocacy group. The Republican-led U.S. House of Representatives passed a measure this month that would ban most abortions after 20 weeks. The bill faces an uncertain future in the Senate, and Democratic President Barack Obama opposes it.