There was a thread awhile back on this, Texas passed a law requiring abortion clinics to have hospital admitting privileges, hospital grade facilities, among other things. A lot of people think it was passed solely to attempt to shut down abortion clinics. Apparently the supreme court agreed.
http://www.reuters.com/article/us-usa-court-abortion-idUSKCN0ZC0JL
http://www.reuters.com/article/us-usa-court-abortion-idUSKCN0ZC0JL