Journal of Pregnancy

Review Article

Transvaginal Sonographic Evaluation of the Cervix in Asymptomatic Singleton Pregnancy and Management Options in Short Cervix

Table 1

Percentile values for CL between 17 and 32 weeks of gestation.
Group (GW) Percentiles
5102550759095
17–20 GW33,0034,0037,0038,5041,0044,0045,00
21–24 GW29,0030,0034,5037,0039,0041,0043,00
25–28 GW27,0028,0033,0035,0037,0040,0041,40
29–32 GW26,5028,0031,0033,0036,5039,0040,00