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Pregnancy Outcomes Single vs. Double Frozen Blastocyst Transfer (FBT)*
* p<0.0001 for all comparisons
** 41.5% twins, 0.7% triplets, 0.4% quads in the DFBT group; No high order multiple pregnancies in the SFBT group
*** No high order multiple births in either group (Triplets and quads in DFBT group spontaneously reduced)
