Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms

Background. Elective single-embryo transfers are being increasingly used to curb the increase in multiple gestation rates. However, it has been documented that single-embryo transfers could still result in twins and on rarer occasions in triplet pregnancies. Main Body. A literature review was done t...

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Main Authors: Mokhamad Zhaffal, Rania Al Jafari, Anastasia Salame
Format: Article
Language:English
Published: Wiley 2024-01-01
Series:Journal of Pregnancy
Online Access:http://dx.doi.org/10.1155/2024/2686128
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author Mokhamad Zhaffal
Rania Al Jafari
Anastasia Salame
author_facet Mokhamad Zhaffal
Rania Al Jafari
Anastasia Salame
author_sort Mokhamad Zhaffal
collection DOAJ
description Background. Elective single-embryo transfers are being increasingly used to curb the increase in multiple gestation rates. However, it has been documented that single-embryo transfers could still result in twins and on rarer occasions in triplet pregnancies. Main Body. A literature review was done to highlight the possible mechanisms leading to embryonic splitting. In this review, the incidence of zygotic splitting was addressed and the notion of chorionicity was explained. Risk factors for zygotic splitting and suggested mechanisms for both twin and higher order pregnancies were suggested and discussed. Conclusion. The hypotheses that we have so far remain unproven due to the rarity of zygotic splitting as well as the ethicolegal considerations of human embryo research. The presence of such incidents necessitates extensive counselling of the couple.
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spelling doaj-art-0c8cd2bdd2df4ac1a777a87c69bc61662025-08-20T02:02:53ZengWileyJournal of Pregnancy2090-27352024-01-01202410.1155/2024/2686128Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested MechanismsMokhamad Zhaffal0Rania Al Jafari1Anastasia Salame2Obstetrics and Gynaecology DepartmentFakih Fertility CenterIVF DepartmentBackground. Elective single-embryo transfers are being increasingly used to curb the increase in multiple gestation rates. However, it has been documented that single-embryo transfers could still result in twins and on rarer occasions in triplet pregnancies. Main Body. A literature review was done to highlight the possible mechanisms leading to embryonic splitting. In this review, the incidence of zygotic splitting was addressed and the notion of chorionicity was explained. Risk factors for zygotic splitting and suggested mechanisms for both twin and higher order pregnancies were suggested and discussed. Conclusion. The hypotheses that we have so far remain unproven due to the rarity of zygotic splitting as well as the ethicolegal considerations of human embryo research. The presence of such incidents necessitates extensive counselling of the couple.http://dx.doi.org/10.1155/2024/2686128
spellingShingle Mokhamad Zhaffal
Rania Al Jafari
Anastasia Salame
Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms
Journal of Pregnancy
title Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms
title_full Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms
title_fullStr Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms
title_full_unstemmed Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms
title_short Multiple Gestation after Elective Single-Embryo Transfer: A State-of-the-Art Review of Literature and Suggested Mechanisms
title_sort multiple gestation after elective single embryo transfer a state of the art review of literature and suggested mechanisms
url http://dx.doi.org/10.1155/2024/2686128
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AT anastasiasalame multiplegestationafterelectivesingleembryotransferastateoftheartreviewofliteratureandsuggestedmechanisms