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Online ISSN
1305-3132

Yayın Dönemi
1993 - 2021

Editor-in-Chief
​Cihat Şen, ​Nicola Volpe

Editors
Daniel Rolnik, Mar Gil, Murat Yayla, Oluş Api

Anomalies in twins

Israel Meizner

Künye

Anomalies in twins. Perinatoloji Dergisi 2002;10(3):145-145

Yazar Bilgileri

Israel Meizner

  1. Petah-Tikva and Sackler Medical School, Tel-Aviv University Ultrasound Unit , Women's Health Center, Rabin Medical Center Tel-Aviv IL
Yazışma Adresi

Israel Meizner, Petah-Tikva and Sackler Medical School, Tel-Aviv University Ultrasound Unit , Women's Health Center, Rabin Medical Center Tel-Aviv IL,

Yayın Geçmişi
Çıkar Çakışması

Çıkar çakışması bulunmadığı belirtilmiştir.

There is an increased prevalence of congenital anomalies in twins (6-10%). This inerease in malformations is due to both constraint deformities and malformations associatecl with monozygotic (MZ) twins.
Classification of anomalies in twins should be as follows:
1. Anomalies ıınicjue to mııltiple conception (Conjoined twins, Acardiac twins, Fetus in-fetu).
2. Anomalies not uniqııe to multiple conception, but that oecur more often in twins (Hydrocephalus, CHD - congenital lıeart defects).
3. Anomalies not unicjue to iwins, but more frecjuent becauşe of mechanical or vascular factors associated with twinning (Clubfoot, CDH - congenital dislocation of hip).
The rate of concorclance for congenital malformations in twins varies from 3/6-18.8%, and this nite is influenced by zygosity and type of anomaly.
Obstetrical problems associatecl with anomalies in twins inelude: a. Ultrasound demonstration of a twin pregnaney with cliscordant anomalies; b. amniocentesis with discordaney for abnormal karyotype. Selective fetocide is the solution for cliscordant anomalies, however, there risks to the procedure inclııding abottion/death of the second twin and permanent clamage to brain and renal tissue of the remaining fetus.
Prenatal diagnosis using ultrasonography for the various types of anomalies in twins, will be presented.
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