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Table 2 IVF cycle characteristics

From: Monozygotic dichorionic-diamniotic pregnancies following single frozen-thawed blastocyst transfer: a retrospective case series

  COH protocol Gonadotropin injection (units) Days of stimulation # of oocytes retrieved # of blastocysts Fertilization method AH PGT Endometrial preparation Embryo day at transfer Grade of blastocyst at thaw Endometrial thickness in FET (mm)
Case 1 Antagonist 975 9 32 3 ICSI Yes Yes HRT D5 B5BC 9
Case 2 Short agonist 3225 12 17 1 ICSI No No HRT D5 B3BB 8
Case 3 Antagonist 750 9 11 4 IVF No No HRT D5 B4BA 10
Case 4 CC + HMG 850 10 21 9 ICSI No No Down-regulated D5 B5BA 9
Case 5 Short agonist 1800 8 14 7 ICSI No No HRT D5 B4AB 8
Case 6 Antagonist 1000 8 18 5 ICSI No No Down-regulated D5 B3CB 9
Case 7 Long agonist 3300 11 7 1 IVF No No Down-regulated D5 B4BB 11
Case 8 CC + HMG 1125 9 9 3 ICSI Yes Yes HRT D5 B5BB 7
Case 9 Antagonist 1450 10 31 16 ICSI Yes Yes Down-regulated D5 B5CB 9
Case 10 Short agonist 1350 9 21 4 ICSI Yes Yes Down-regulated D5 B5BC 11
Case 11 CC + HMG 1800 9 6 3 IVF No No Down-regulated D5 B4BB 11
Case 12 CC + HMG 2250 9 7 3 ICSI Yes Yes Down-regulated D6 B6AB 8
Case 13 Antagonist 1987.5 10 28 5 IVF No No HRT D5 B5BC 7