70-BV-1 Hatching blastocyst with hatching site close to the ICM 70-AW-1 Warmed blastocyst showing strangulation of already hatched cells (7 o’clock position)

68-BV-1 Early blastocyst 68-AW-1 Early blastocyst after warming

69-BV-1 Slightly ovoid full blastocyst 69-AW-1 Full blastocyst with starting re-expansion

67-BV-1 Hatching blastocyst with hatching site out of focus (4 o’clock position)

66-BV-1 Early blastocyst 66-AW-1 Early blastocyst with artificial hatching at 1 o’clock position

64-BV-1 Early blastocyst with 2 vacuoles (1 and 6 o’clock position)

65-BV-1 Expanded blastocyst 65-AW-1 Blastocyst with necrotic area at 10 o’clock position 65-BT-1 Re-expanded blastocyst with excluded fragments at 9 o’clock position

63-BV-1 Morula 63-AW-1 Morula with beginning cavitation

61-BV-1 Full blastocyst 61-AW-1 Warmed blastocyst with minor cytoplasmic granulation

62-BV-1 Expanded blastocyst with reduced trophectoderm 62-AW-1 Expanded blastocyst with no signs of re-expansion