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Dizygotic twin survival in early pregnancy

Author

Listed:
  • Stephen Tong

    (Monash University, Monash Medical Centre)

  • Simon Meagher

    (Monash Ultrasound for Women, Monash IVF, Epworth Hospital)

  • Beverley Vollenhoven

    (Monash University, Monash Medical Centre
    Monash Ultrasound for Women, Monash IVF, Epworth Hospital)

Abstract

It has been suggested that losses of twin conceptuses in very early pregnancy are high, and that for every liveborn twin pair there are a further 10–12 twin pregnancies that end up as a singleton birth1. Here we show that in a group of women who had double-ovulated and conceived, the probability of the second egg also becoming fertilized and developing is 20–30% — which is comparable to the probability of conception and survival of a single conceptus2. We conclude that the presence of one embryo does not affect the development of its twin.

Suggested Citation

  • Stephen Tong & Simon Meagher & Beverley Vollenhoven, 2002. "Dizygotic twin survival in early pregnancy," Nature, Nature, vol. 416(6877), pages 142-142, March.
    • Handle: RePEc:nat:nature:v:416:y:2002:i:6877:d:10.1038_416142a
    DOI: 10.1038/416142a
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