Skip to main content
There is no doubt now that the cervical length (CL) measurement, obtained with transvaginal ultrasound between 20 and 24 weeks, can give the clinician a very reasonable idea about which patients have the greatest and smallest chances of delivering preterm.

Natural History of Cervical Funneling in Women at High Risk for Spontaneous Preterm Birth

There is no doubt now that the cervical length (CL) measurement, obtained with transvaginal ultrasound between 20 and 24 weeks, can give the clinician a very reasonable idea about which patients have the greatest and smallest chances of delivering preterm.