Abstract
Purpose: To compare the rate of birth weight discordance and perinatal outcome of twin pregnancies after assisted reproduction with that of spontaneous twins.
Method: A total of 12,920 deliveries were analyzed retrospectively. Seventy-five twin pregnancies after ART were compared to the 94 spontaneous counterparts. Birth weight discordance was defined as a difference of 20% or more.
Results: Discordance rate was elevated (25.3% vs. 17.0%) among ART twins. SGA was increased and NICU admission was more frequent in discordant group. Unlike-sexed twins were more prevalent (73.7% vs. 37.5%) among discordants after ART.
Conclusions: ART can increase discordance rate which can elevate perinatal risk.
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Zádori, J., Kozinszky, Z., Orvos, H. et al. Birth Weight Discordance in Spontaneous Versus Induced Twins: Impact on Perinatal Outcome. J Assist Reprod Genet 21, 85–88 (2004). https://doi.org/10.1023/B:JARG.0000027019.87795.4e
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DOI: https://doi.org/10.1023/B:JARG.0000027019.87795.4e