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  Indian J Med Microbiol
 

Figure 1 Blastocysts: different stages and grades. Number represents stage of blastocyst, the first alphabet = grade of inner cell mass (ICM), second alphabet = grade of trophetodermal (TE) cells

Figure 1 Blastocysts: different stages and grades. Number represents stage of blastocyst, the first alphabet = grade of inner cell mass (ICM), second alphabet = grade of trophetodermal (TE) cells