Quake’s team found that, in women at increased risk of preterm delivery, the blood test predicted premature labor with 75 to 80 percent accuracy. According to Quake, that level of accuracy is good enough to be used in routine practice — but more work is needed to see whether that performance holds up in larger studies.

Source: https://www.webmd.com/baby/news/20180607/blood-test-might-predict-preterm-birth?src=RSS_PUBLIC