Cervical assessment by magnetic resonance imaging - Its relationship to gestational age and interval to delivery
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AbstractThe aim of this cross-sectional study was to assess the uterine cervix in late pregnancy, using MRI, and to study its relationship to the gestational age and the time interval to delivery. 91 women with a singleton cephalic presenting fetus had MRI of the pelvis between 35 and 41 weeks. All had had one prior lower segment Caesarean section and no history of prior vaginal delivery. The cervical length, internal and external os diameter, cervical signal intensity and the angulation of the cervix with the cephalocaudal axis were measured on sagittal T-2 weighted images and correlated with the gestational age and the interval from the MRI examination to delivery. It was found that the signal intensity of the cervical stroma increased with the gestational age. A higher signal intensity in the cervical stroma was associated with a shorter time interval to delivery. Deliveries after 40 weeks tended to occur more commonly in those with lower signal intensity in the cervical stroma and also in those with a smaller external os diameter. It is concluded that cervical softening as assessed on MRI correlated with gestational age and the time interval to delivery.
All Author(s) ListChan YL, Lam WWM, Lau TK, Wong SP, Li CY, Metreweli C
Journal nameBritish Journal of Radiology
Volume Number71
Issue Number842
Pages155 - 159
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesRadiology, Nuclear Medicine & Medical Imaging; RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Last updated on 2021-21-01 at 01:05