Is 25 mm the correct mid-trimester cut-off for cervical shortening among asymptomatic women?
Roy LauterbachGal BacharNaphtali JustmanYoav SieglerNizar KhatibZeev WeinerDana VitnerPublished in: International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics (2022)
An ACS of 15-25 mm is not associated with an increased risk of PTB. In contrast, women with a CL of 15 mm or less are more likely to delivery prematurely compared with women with a CL greater than 15 mm.