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. 2014 Feb 4;60(2):136–142. doi: 10.1262/jrd.2013-115

Table 2. The effect of IVM duration of bovine oocytes on embryonic development at 2 and 7 days after IVF.

Duration of IVM (h) No. of embryos
(replicates)		 % ≥2 cells/
inseminated		 % blastocysts/
inseminated		 % blastocysts/
cleaved		 Total cell no.in
blastocysts (n)
22 161 (6) 81.1 ± 5.6A 51.6 ± 9.4a 64.1 ± 13.1a 172.5 ± 77.5 (83)
30–34 190 (7) 71.1 ± 10.6B 24.2 ± 8.8b 33.8 ± 11.4b 157.6 ± 56.5 (45)

a,b Values (mean ± SD) with different superscripts within the same column differ significantly (P<0.01). A,B Values (mean ± SD) with different superscripts within the same column tended to be different (P = 0.06).