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Previous Volume 341:1313-1314 October 21, 1999 Number 17 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Multifetal births are a calculated risk of induction of ovulation, because the number of ova that will be fertilized is unknown. By contrast, the number of transferred embryos in in vitro fertilization can be controlled, which is important because the number of embryos influences the pregnancy rate and the outcome of pregnancy.¹

The excess risk of cerebral palsy in multifetal pregnancies, which has recently been quantified, is attributed mainly to prematurity and low birth weight.² Thus, by integrating the risk of multifetal birth with that of neonatal cerebral palsy, it is possible to estimate the risk of . . . [Full Text of this Article]

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