Fig. 1From: Developmental potential of surplus morulas with delayed and/or incomplete compaction after freezing-thawing proceduresM3 morulas in different periods. a M3 morula in the fresh cycle just before vitrification. b M3 morula in the FET cycle immediately after thawing. c Thawed M3 morula after laser-assisted hatching; the straight dissection on the zona pellucida (arrowheads) is present. d 5AA blastocyst evolved from thawed M3 morulaBack to article page