Multifetal pregnancy reduction: Evaluation of fetal growth in the remaining twins

R. Depp, G. A. Macones, M. F. Rosenn, E. Turzo, R. J. Wapner, V. J. Weinblatt, R. L. Berkowitz, Y. Dawood, R. Jewelewicz, M. I. Evans, C. J. Hobel, K. Moghissi

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

OBJECTIVE: Our purpose was to study fetal growth after reduction of high- order multiple gestations to twins. STUDY DESIGN: Birth weight and gestational age data were collected for 236 triplet and greater multiple pregnancies reduced to twins (113 triplets, 89 quadruplets, and 34 quintuplets or above) and was compared with those of a control group of unreduced twins. RESULTS: Rates of intrauterine growth restriction per pregnancy were significantly different between the nonreduced and all categories of reduced multifetal pregnancies. The incidence of intrauterine growth restriction was 19.4% in the nonreduced twins, 36.3% in pregnancies reduced from triplets, 41.6% in pregnancies reduced from quadruplets, and 50% from higher-order multiple gestations. There was a statistically significant trend toward increasing frequency of intrauterine growth restriction with increasing starting fetal number (p = 0.04). The increase in intrauterine growth restriction was primarily accounted for by twin pairs with only one growth-restricted newborn. CONCLUSION: Multifetal pregnancy reduction does not reduce the incidence of intrauterine growth restriction in the remaining fetuses to that of nonreduced twins.

Original languageEnglish
Pages (from-to)1233-1240
Number of pages8
JournalAmerican journal of obstetrics and gynecology
Volume174
Issue number4
DOIs
StatePublished - 1996

Keywords

  • First trimester
  • discordant growth
  • discordant twins
  • fetal growth determinants
  • fetal reduction procedure
  • intrauterine growth restriction
  • multiple gestation
  • twins

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