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The vanishing twin: a review

H J Landy¹, L G Keith

¹Department of Obstetrics and Gynecology, Georgetown University Medical Center, Washington, DC 20007, USA.

Human Reproduction Update

|July 31, 1998

Summary

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The vanishing twin phenomenon, where a twin disappears in early pregnancy, is reviewed. This article details its frequency, causes, complications, and how ultrasound technology aids understanding.

Area of Science:

Reproductive Medicine
Obstetrics and Gynecology
Fetal Medicine

Background:

The vanishing twin phenomenon (VTP) is a recognized event in multiple gestations.
Early diagnosis and understanding of VTP are crucial for accurate pregnancy management.
Advances in imaging have improved the detection of VTP.

Purpose of the Study:

To comprehensively review the scientific literature on the vanishing twin phenomenon.
To elucidate the frequency, etiology, and potential complications associated with VTP.
To assess the role of sonographic technology in understanding early multiple pregnancies.

Main Methods:

Systematic review of existing scientific literature.
Analysis of studies focusing on early multiple pregnancies.

Related Experiment Videos

Evaluation of data on VTP frequency, causes, and outcomes.

Main Results:

The review synthesizes current knowledge on the incidence of VTP.
Key etiological factors and associated risks are discussed.
The impact of advanced sonography on VTP detection and management is highlighted.

Conclusions:

The vanishing twin phenomenon is a significant aspect of early multiple pregnancies.
Sonographic advancements have greatly enhanced the understanding and diagnosis of VTP.
Further research can refine management strategies for pregnancies affected by VTP.