'Appearing twin': Undercounting of multiple gestations on early first trimester sonograms

Journal of Ultrasound in Medicine

Volumn 17, Issue 4, 1998, Pages 199-203

  Doubilet, Peter M ^a   Benson, Carol B ^a  

^a BRIGHAM AND WOMEN S HOSPITAL   (United States)

Author keywords

Appearing twin; Multiple gestation; Twin pregnancy; Ultrasonography

Indexed keywords

MEDICAL IMAGING; OBSTETRICS;

MULTIPLE GESTATIONS; TRANSVAGINAL ULTRASONOGRAPHY;

ULTRASONIC IMAGING;

ARTICLE; CLINICAL ARTICLE; FERTILIZATION IN VITRO; FETUS; FETUS ECHOGRAPHY; FETUS OUTCOME; FIRST TRIMESTER PREGNANCY; GAMETE INTRAFALLOPIAN TRANSFER; GESTATIONAL AGE; HUMAN; INFERTILITY THERAPY; MULTIPLE PREGNANCY; TRANSVAGINAL ECHOGRAPHY; TWIN PREGNANCY;

EID: 0032054189     PISSN: 02784297     EISSN: None     Source Type: Journal    
DOI: 10.7863/jum.1998.17.4.199     Document Type: Article

References (7)

1. American College of Obstetrics and Gynecology: Technical Bulletin 187: Ultrasonography in pregnancy, Decemher 1993
2. American College of Radiology: Standards for antepartum obstetrical ultrasound, Reston, VA, 1995
3. American Institute of Ultrasound in Medicine: Standards for performance of the antepartum obstetrical ultrasound examination, Laurel, MD, 1994
4. Bree RL, Edwards M, Bohm-Velez M, et al: Transvaginal sonography in the evaluation of normal early pregnancy: Correlation with HCG level. AJR 153:75, 1989
5. Timor-Tritsch IE, Farine D, Rosen MG: A close look at early embryonic development with the high-frequency transvaginal transducer. Am J Obstet Gynecol 159:676, 1988
6. Landy HJ, Weiner S, Corson SL, et al: The "vanishing twin": Ultrasonographic assessment of fetal disappearance in the first trimester. Am J Obstet Gynecol 155:14, 1986
7. Benson CB, Doubilet PM, Laks MP: Outcome of twin gestations following a first trimester ultrasound demonstrating two heartbeats. Ultrasound Obstet Gynecol 3:343, 1993