18 5 years 1º infertility
18-BV-1 Transition from fully compacted stage to morula 18-AW-1a Immediate survival
17 6 years 2º infertility
17-BV-1 Expanded blastocyst with thick ZP 17-AW-1 Warmed blastocyst with extensive cytoplasmic granulation
16 2 years 1º infertility
16-BV-1 Expanded blastocyst starting to collapse in preparation for hatching 16-AW-1 Same blastocyst after warming, cytoplasm appears granulated
15 3 years 2º infertility
15-BV-1 Blastocyst showing beginning expansion 15-AW-1 Same blastocyst 2h after warming
14 4 years 1º infertility
14-BV-1 Day 5 morula of optimal quality 14-AW-1 Morula showing immediate survival
13 2 years 2º infertility
13-BV-1 Transition of early to full blastocyst stage 13-AW-1 Viable blastocyst 13-BT-1 Full blastocyst with reduced trophectoderm
12 4 years 2º infertility
12-BV-1 Expanded blastocyst (although zona is still thick) 12-AW-1 Warmed blastocyst showing excluded fragments
11 6 years 2º infertility
11-BV-1 Hatching blastocyst with hatching site out of focus (11 o’clock position) 11-AW-1a Starting re-expansion of collapsed blastocyst
9 5 years 2º infertility
9-BV-1 Expanded blastocyst of optimal quality 9-AW-1 Slightly granulated blastocyst 9-BT-1 Re-expanded blastocyst with hatching site close to the inner cell mass
10 9 years 1º infertility
10-BV-1 Morula with excluded blastomere at 7 o’clock position 10-AW-1 Morula showing regression of cell–cell contacts
