Sonographic features of trisomy 13 at midpregnancy.

  title={Sonographic features of trisomy 13 at midpregnancy.},
  author={Theera Tongsong and Supatra Sirichotiyakul and Chanane Wanapirak and Pharuhas Chanprapaph},
  journal={International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics},
  volume={76 2},
OBJECTIVES To evaluate the sonographic characteristics, at 16-22 weeks of gestation, of fetuses later diagnosed with trisomy 13. METHODS This descriptive analysis of a case series was conducted from June 1989 to May 2001 at the Department of Obstetrics and Gynecology, Faculty of Medicine, Chiang Mai University, Thailand. Women with abnormal sonographic findings at midpregnancy (16-22 weeks of gestation) underwent amniocentesis or cordocentesis for karyotyping, and the inclusion criterion was… CONTINUE READING