TABLE 1. Effect of embryonic glucose consumption by d10 cow blastocysts in 20 hours of culture, on survival after transfer.

	Ga	Gb
Number of recipients Number of gestations % gestation	13969.2	14214.3

X2 = 8.42, p = 0.01%
Ga : embryos consuming more than 5 µg glucose/hour
Gb : embryos consuming less than 5 µg glucose/hour
Source: Renard et al. (17).