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Additional file 7: Hatch process of parthenogenetic embryo with 5 μm breach drilled on zona pellucid in vitro. Parthenogenetic embryos started hatching slightly from artificial breach in 96 h, but embryonic cells did not keep emerge from it. They kept expansion and broke out from another place on zona pellucid in a short time as normal parthenogenetic embryos did. (MP4 580 kb)
