Comment on

• Transvaginal ultrasonography at 18-23 weeks in predicting placenta previa at delivery.

  Taipale P, Hiilesmaa V, Ylöstalo P. Taipale P, et al. Ultrasound Obstet Gynecol. 1998 Dec;12(6):422-5. doi: 10.1046/j.1469-0705.1998.12060422.x. Ultrasound Obstet Gynecol. 1998. PMID: 9918091
• Antenatal diagnosis of velamentous umbilical cord insertion and vasa previa with color Doppler imaging.

  Nomiyama M, Toyota Y, Kawano H. Nomiyama M, et al. Ultrasound Obstet Gynecol. 1998 Dec;12(6):426-9. doi: 10.1046/j.1469-0705.1998.12060426.x. Ultrasound Obstet Gynecol. 1998. PMID: 9918092
• Poor perinatal outcome associated with vasa previa: is it preventable? A report of three cases and review of the literature.

  Fung TY, Lau TK. Fung TY, et al. Ultrasound Obstet Gynecol. 1998 Dec;12(6):430-3. doi: 10.1046/j.1469-0705.1998.12060430.x. Ultrasound Obstet Gynecol. 1998. PMID: 9918093 Review.
• A strategy for reducing the mortality rate from vasa previa using transvaginal sonography with color Doppler.

  Oyelese KO, Schwärzler P, Coates S, Sanusi FA, Hamid R, Campbell S. Oyelese KO, et al. Ultrasound Obstet Gynecol. 1998 Dec;12(6):434-8. doi: 10.1046/j.1469-0705.1998.12060434.x. Ultrasound Obstet Gynecol. 1998. PMID: 9918094