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. 2023 Jan 10;30(7):2177–2187. doi: 10.1007/s43032-022-01159-8

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Fig. 1 — Blastocysts with or without expelled arrested cells/cellular debris. a A blastocyst without hatching. b, c Hatching blastocysts with arrested cells/cellular debris left in zona pellucida. White arrows indicated arrested cells/cellular debris