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Table 5 Zygote morphology related to embryo cleavage and embryo quality.

From: Analysis of pronuclear zygote configurations in 459 clinical pregnancies obtained with assisted reproductive technique procedures

 

P1

P2

 
 

≥4 blastomeres

Excellent Quality

≥4 blastomeres

Excellent Quality

OR (IC 95%)

<32

79/89 (88.8)

40/89 (44.9)

123/150 (82.0)

56/150 (37.3)

n.s

33-37

134/170 (78.8)

65/170 (38.2)

224/303 (73.9)

113/303 (37.3)

n.s

38-41

101/128 (78.9)

55/128 (43.0)

185/226 (81.9)

94/226 (41.6)

n.s

Total

314/387 (81.1)

162/387 (41.9)

532/679 (78.4)

258/679 (38.0)

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