Supplement your learning for ISUOG's education course on Preterm birth.

Explore the topic before you attend our course:

In order to make the most of this learning experience and help you achieve your learning objectives, we have prepared a path to guide you from the essentials to our course’s topics through ISUOG resources. The material below will take you from the most basic aspects to a more comprehensive view of the course material, and some activities may grant you CME points.

Some of these activities are exclusively available to our members. Become a member today.


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The uterus is a pear-shaped organ consists of the fundus, the body, and the cervix. Cervical size changes in relation to the size of the body of the uterus throughout female life from the fetal life to puberty.


UOG Articles

Cost-effectiveness of cervical length screening and progesterone treatment to prevent spontaneous preterm delivery in Sweden
T. Wikström, P. Kuusela, B. Jacobsson, H. Hagberg, P. Lindgren, M. Svensson, U. Britt Wennerholm, L. Valentin
23 February 2022

Vaginal progesterone for the prevention of preterm birth and adverse perinatal outcomes in twin gestations with a short cervix: an updated individual patient data meta-analysis
R. Romero, A. Conde-Agudelo, A. Rehal, E. Da Fonseca, M. L. Brizot, L. Rode, V. Serra, E. Cetingoz, A. Syngelaki, A. Tabor, A. Perales, S. S. Hassan, K. H. Nicolaides
23 December 2021

Evaluation of ‘opt-in’ approach to cervical-length screening for reducing preterm birth
C. L. Ward, S. Crouser, C. S. Buhimschi, S. F. Thung, P. Samuels, C. D. Lynch, M. B. Landon, H. A. Frey
12 July 2021

Implementation of universal screening for preterm delivery by mid-trimester cervical-length measurement
A. P. Souka, I. Papastefanou, A. Pilalis, D. Kassanos, G. Papadopoulos
14 March 2018

Prevention of preterm birth with pessary in singletons (PoPPS): randomized controlled trial
L. Dugoff, V. Berghella, H. Sehdev, A. D. Mackeen, L. Goetzl, J. Ludmir
20 September 2017

Cerclage for sonographic short cervix in singleton gestations without prior spontaneous preterm birth: systematic review and meta-analysis of randomized controlled trials using individual patient-level data
V. Berghella, A. Ciardulli, O. A. Rust, M. To, K. Otsuki, S. Althuisius, K. H. Nicolaides, A. Roman, G. Saccone
10 March 2017