Research Article
Volume 9 Issue 4 - 2020
Cervical Length in 20th Week of Gestation in Relation with the Date of Delivery
Rodrigo Orozco*, Gutiérrez M, Perales J, Bouthelier I, Perez C, Plaza J and Albi M
Obstetrics and Gynecology Department, Hospital Universitario Fundación Jimenez Diaz, Quironsalud, Madrid, Spain
*Corresponding Author: Rodrigo Orozco, Obstetrician Gynecologist and Maternal-Fetal Medicine, Obstetrics and GynecologyDpartment, University Hospital Fundación Jimenez Diaz, Madrid, Spain.
Received: January 25, 2020; Published: March 05, 2020




Abstract

Background: One of the first events that can cause labor is cervical shortening. In the same way, a decrease in cervical length during the second trimester is predictive of spontaneous preterm birth. The aim of this study is to analyze the influence of cervical length measured at the second trimester ultrasound exam in the onset of preterm birth.

Material and Methods: It has been carried out a retrospective study of 2846 pregnant women with childbirth in our hospital during the period from 2016 to 2019. The selected inclusion criteria were primiparous with single and spontaneous pregnancy and non-maternal-fetal pathology.

The main variable of our study was cervical length at the 20th week of gestation. The total of patients were divided in three groups (cervical length less than 30 mm, cervical length between 30 - 40 mm and cervical length greater than 40 mm).

Results: In relation to gestational age at the time of delivery, 5.34% of the patients had preterm birth.

In the group of pregnant women with cervical length < 30 mm, we appreciated a 9.67% of preterm deliveries compared to a 6.17% in the group of pregnant women with cervical length of 30 - 40 mm and a 3.21% in those of cervical length > 40 mm. When applying statistical analysis,

Statistical significance was obtained (p = 0.213) between the cervical length group lower than 30 mm and cervical length greater than 40 mm. A cervical length lower than 30 mm is a risk factor for preterm delivery in our population.

Conclusion: Cervical length at the 20th week of gestation is a preterm birth onset risk factor, being able to classify pregnant women in high and low risk groups by offering individualized monitoring to each of them.

Keywords: Cervical Length; Preterm Birth; Transvaginal Ultrasound; Second Trimester; Gestation

References

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Citation: Rodrigo Orozco., et al. “Cervical Length in 20th Week of Gestation in Relation with the Date of Delivery”. EC Gynaecology 9.4 (2020): 01-08.

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