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. 2021 Nov 16;14(Suppl 1):S3–S30. doi: 10.4103/0974-1208.330501
Indication Consensus
Frozen embryos No robust evidence to suggest increase in live birth rate following AH. Data collection and evaluation for Indian subpopulation is needed
Frozen blastocysts
Thick ZP
Advanced maternal age >38 years
RIF
Poor-quality embryos

RIF=Repeated implantation failure, ZP=Zona pellucida, AH=Assisted hatching