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2. Effect of cervical traction with a tenaculum on the uterocervical angle
3. Vaginal hysterectomy as a primary route for morbidly obese women
4. Prediction of patient-specific risk of early preterm delivery using maternal history and sonographic measurement of cervical length: a population-based prospective study
5. Normal cervical changes in parous women during the second half of pregnancy - a prospective, longitudinal ultrasound study