Table 2 Laboratory characteristic of the patients in the control and RIF groups of the fresh ET cycles (n=216)

COC^a

7.00 (4.00)

7.50 (5.50)

0.48

MII oocytes^a

6.00 (4.00)

7.50 (5.50)

0.40

2PN^a

4.00 (3.00)

5.50 (5.00)

0.57

 ICSI

142 (74.3)

19 (76)

0.96

 IVF

39 (20.4)

5 (20)

 IVF and ICSI

10 (5.2)

1 (4)

 Cleavage stage

188 (98.4)

23 (92)

0.10

 Blastocyst stage

0 (0)

0 (0)

 Compaction stage

3 (1.6)

2 (8)

 A

52 (27.2)

9 (36)

0.65

 B

114 (59.7)

13 (52)

 C

25 (13.1)

3 (12)