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Titolo:
PRENATAL DETERMINATION OF CHORIONICITY IN TRIPLET PREGNANCY BY ULTRASONOGRAPHIC EXAMINATION OF THE IPSILON ZONE
Autore:
SEPULVEDA W; SEBIRE NJ; ODIBO A; PSARRA A; NICOLAIDES KH;
Indirizzi:
UNIV LONDON KINGS COLL HOSP,SCH MED,HARRIS BIRTHRIGHT RES CTR FETAL MED,DENMARK HILL LONDON SE5 8RX ENGLAND UNIV LONDON KINGS COLL HOSP,SCH MED,HARRIS BIRTHRIGHT RES CTR FETAL MED LONDON SE5 8RX ENGLAND
Titolo Testata:
Obstetrics and gynecology
fascicolo: 5, volume: 88, anno: 1996,
pagine: 855 - 858
SICI:
0029-7844(1996)88:5<855:PDOCIT>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
WORLDS LARGEST CENTERS; COLLABORATIVE EXPERIENCE; MULTIFETAL REDUCTION; TWIN GESTATIONS; 2ND-TRIMESTER; EFFICACY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
W. Sepulveda et al., "PRENATAL DETERMINATION OF CHORIONICITY IN TRIPLET PREGNANCY BY ULTRASONOGRAPHIC EXAMINATION OF THE IPSILON ZONE", Obstetrics and gynecology, 88(5), 1996, pp. 855-858

Abstract

Objective: To determine chorionicity in triplet pregnancies by ultrasonographic assessment of the ipsilon zone, the junction of the three interfetal membranes. Methods: The thickness of the component membranesin the ipsilon zone was studied to determine chorionicity in 28 triplet pregnancies, by retrospective examination of the ultrasonographic images taken at 9-24 weeks' gestation, and in 20 consecutive triplet pregnancies followed prospectively by targeted ultrasonography at 8-21 weeks' gestation. Prenatal ultrasonographic findings were compared withthose obtained from the records of the infertility centers or referring hospitals (the number of gestational sacs and live embryos in each sac seen by transvaginal scanning at 6-7 weeks' gestation). Results: Of the 28 triplet pregnancies with appropriate images demonstrating theipsilon zone, 22 were classified as trichorionic, five dichorionic, and one monochorionic. This classification was correct in all but one trichorionic pregnancy, which was misclassified as dichorionic. In the prospective subset (n = 20) there were 16 trichorionic and four dichorionic triplet pregnancies. The ipsilon zone was not present in one case in which the interfetal membrane did not intersect. In the remaining19 pregnancies, there was a complete correlation between the findingsat the ipsilon zone and transvaginal ultrasonography at 6-7 weeks. Conclusion: Ultrasonographic assessment of the ipsilon zone is useful for predicting chorionicity in triplet pregnancies.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/10/20 alle ore 16:12:41