Chung T K, Haines C J, Kong D, Woo W K, Rogers M S
Department of Obstetrics and Gynaecology, Chinese University of Hong Kong, Prince of Wales Hospital.
Gynecol Obstet Invest. 1993;36(1):59-61. doi: 10.1159/000292596.
Cervical incompetence remains a controversial area in obstetric management. The development of transvaginal sonography has resulted in a clearer image of the internal cervical os, a development which may indirectly have beneficial effects on outcome. However, the rapid development of cervical dilatation in some cases necessitates frequent ultrasound monitoring.
