Cervical length screening for women at risk of preterm labour, Obstetrics

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Abstract

Cervical length screening may be utilised to identify women at increased risk of preterm labour who may be candidates for preventative interventions. Data supporting the benefit of interventions is limited.

Cervical length can be measured between 16 and 24 weeks. For practical purposes, the majority of women who merit cervical length screening, this will be carried out at the 20 week fetal anomaly scan.  There may be women who require earlier cervical length screening or serial cervical length screening however in such cases this decision should be made by a Consultant Obstetrician.

This guideline does not address the role of cervical length measurements for women in threatened preterm labour.

NOTE: this guideline is hosted on the NHSGGC Obstetrics & Gynaecology Handbook website. Clicking on the link below will open the guideline in a new window.

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