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Table 2 Fertilization rates between IVF and ICSI technics on the second cycle

From: ICSI diagnostic: a way to prevent total fertilization failure after 4 unsuccessful IUI

 

IVF_T2

ICSI_T2

No of cycles

23

7

No of OCC /MII

168

51

 2 PN (%)

100 (60%)

42 (82%)

 3 PN (%)

7 (4%)

2 (4%)

 1 PN (%)

(11%)

0

 0 PN (%)

32 (19%)

4 (8%)

Total failure of fertilization (%)

0

0

  1. IVF_T2 in vitro fertilization on second cycle, ICSI_T2 Intracytoplamic sperm injection on second cycle, OCC Oocyte cumulus complex, MII metaphase 2, NS no significant, PN pronuclei