New research shows that the level for 2017 was at 13.5 per 1,000 American females. That is the lowest rate since the landmark Supreme Court case was decided in 1973. Calculations were made by research organization Guttmacher Institute. It based its age range on women from 15 to 44 years old. According to CBS, 2017's abortion level is 54 percent lower than in 1980. Guttmacher attributes the fall to an overall declining pregnancy rate. According to the report, all regions of the U.S. are showing declines. Rates have fallen the most in U.S. states where more abortion-providing facilities have closed. In Texas alone, the rate fell three percent from 2014 to 2017. This is in connection to the state decreasing its number of facilities by nine.