Randomized controlled study of human zona pellucida dissection using the zona infrared laser optical system: evaluation of blastomere damage, embryo development,

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Randomized controlled study of human zona pellucida dissection using the zona infrared laser optical system: evaluation of blastomere damage, embryo development, and subsequent hatching Benjamin C Wong, M.D., Catherine A Boyd, B.S., Susan E Lanzendorf, Ph.D. Fertility and Sterility Volume 80, Issue 5, Pages 1249-1254 (November 2003) DOI: 10.1016/S0015-0282(03)02167-8

FIGURE 1 Photomicrograph of human eight-cell embryo after partial hatching of the zona pellucida (arrows mark margins of defect). Original magnification, ×400. Wong. Human embryo laser hatching using the ZILOS. Fertil Steril 2003. Fertility and Sterility 2003 80, 1249-1254DOI: (10.1016/S0015-0282(03)02167-8)

FIGURE 2 Photomicrograph of 10-cell human embryo after complete zona hatching with the laser (arrows mark outer margins of the defect). Original magnification, ×400. Wong. Human embryo laser hatching using the ZILOS. Fertil Steril 2003. Fertility and Sterility 2003 80, 1249-1254DOI: (10.1016/S0015-0282(03)02167-8)