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Table 1 embryo grade in β-HCG-, β-HCG + groups

From: Isolation of cfDNA from spent culture media and its association with implantation rate and maternal immunomodulation

 

Embryo Grade

1AA

2AA

3AA

4AA

4BB

4CC

β-HCG-(N = 18)

5

3

2

2

3

3

β-HCG + (N = 12)

2

3

2

1

2

2

Firs trimesters(N = 9)

2

2

1

1

2

1