Effects of regimen 2 restraint stress on attachment reaction and blastocyst hatching.

a–b: Values without a common letter in their superscripts differ (P<0.05) in the same column within time points.
*Each treatment was repeated 3 times with each replicate containing 3–5 mice.
$% Mice with IS indicates the ratio of mice with implantation sites (IS)/mice showing vaginal plugs, and Independent samples t-tests were conducted using SPSS to locate the difference between stressed and control mice.