Vaginal ultrasonographic assessment of cervical length changes during normal pregnancy

Maternal-Fetal Medicine: Principles and Practice

Robert Welch · Archives of Pediatrics and Adolescent Medicine · 1985 · 930 citations

Medicine, Obstetrics, Physiology +7

The Principles and Practice of Ultrasonography in Obstetrics and Gynecology

J D Bowie · JAMA · 1981 · 144 citations

Medicine, Gynecology, Obstetrics +8

Sonographic evaluation of cervical length in pregnancy: diagnosis and management of preterm cervical effacement in patients at risk for premature delivery.

Jonathan W.T. Ayers, R M DeGrood, Alan A. Compton et al. · PubMed · 1988 · 89 citations

Medicine, Gynecology, Obstetrics +16

Ultrasound differentiation of the competent from the incompetent cervix: Prevention of preterm delivery

William H. Michaels, Cynthia A. Montgomery, James J. Karo et al. · American Journal of Obstetrics and Gynecology · 1986 · 73 citations

Medicine, Maternal Health, Obstetrics +14

Transabdominal and transvaginal endosonography: Evaluation of the cervix and lower uterine segment in pregnancy

James E. Brown, Gary A. Thieme, Dinesh Shah et al. · American Journal of Obstetrics and Gynecology · 1986 · 69 citations

Medicine, Gynecology, Obstetrics +14