The cervix is the cylindrical mouth of the uterus, separating it from the vagina. Normally, earlthe cervix is at least 3-4 cm long, and its length in pregnancy strengthens the protection of the fetus.
The short cervix and preterm birth: 8 key questions and evidence-based answers
Effect of serial measurements of cervical length (interpreted as
What causes premature birth? - Risks, causes and symptoms
American Journal of Obstetrics & Gynecology - Second trimester short cervix is associated with decreased abundance of cervicovaginal lipid metabolites
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Preterm Birth in Twins
Risk Factors for Preterm Delivery in Asymptomatic Singleton Pregnant Women with a Sonographic Short Cervix
What causes premature birth? - Risks, causes and symptoms
Cervical Length at 28-32 Weeks of Gestation Predicts Preterm Birth
Understanding Incompetent Cervix During Early Labor