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Incidence and Severity of Low Birth Weight, Single vs. Double Frozen Blastocyst Transfer (FBT)
Mean birth weight was 3418 ± 605 grams in the single embryo group vs. 2837 ± 770 grams with double transfer (p<0.0001). A statistically significant decrease in birth weight persisted in the double transfer group when analysis was limited to singleton deliveries.
*P<0.0001; **P<0.001; ***P=0.024
