Figure 4From: EGF increases expression and activity of PAs in preimplantation rat embryos and their implantation ratePercentage of implanted embryos in contralateral uterine horns of 17 pseudopregnant rats into which in-vitro developed blastocysts with and without the presence of EGF in the medium were transferred. Means ± SEM. In parentheses, number of implanted embryos out of transferred blastocysts. * = P < 0.01 (Paired "t"-test).Back to article page