I am 25 year female having pregnancy of 19 weeks My cervix length is 58.1 mm What does that mean.

Dr. Potnuru Srinivaasa SudhakarHomeopath30yrs exp

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Normal cervical length is 4 to 5 cm when not pregnant. One study found that at 24 weeks gestation, the average cervical length is 3.5 cm. When cervical length is less than 2.2 cm, women face a 20 percent probability of preterm delivery. (Source: The Length of the Cervix and the Risk of Spontaneous Premature Delivery. Cervical length in high-risk women for preterm birth has to be identified before early second trimester. Sequential evaluations lead to high predictive significance. The mean cervical length at 24 weeks is about 35 mm when measured by transvaginal ultrasound. A short cervix is defined as a cervix that is less than 25 mm and funneling, i.e. Ballooning of the membranes into a dilated internal os, but with a closed external os. Factors such as short cervical length, uterine anomaly, previous cervical surgery, multiple gestation and positive fetal fibronectin results are associated with preterm delivery. Serial transvaginal ultrasound examinations during the early second trimester would provide longitudinal changes in the cervical length. 

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