Research Article

The Effects of Substituting Glassware for Plasticware and the Use of an Ethanol Vector on Oocyte Maturation In Vitro

Table 3

Sex ratio determined on day eight embryos.

Number of sexed embryosSex ratio—% male (median)95% C.I. lower limit95% C.I. upper limit

Control24948.7527.1570.82
Plasticware13555.6736.8872.96
Glassware8044.2323.7166.93
Plasticware + EtOH13147.8131.0965.03
Glassware + EtOH23934.39*23.3847.37

No significant differences between groups. *Denotes significant difference from the expected 50% male : female sex ratio ( ).