|Values are means SEM.|
KO: PPARα knockout; WT: wild type; GD: gestational day.
Pregnancy verified by presence of uterine implantation sites.
Excludes adult females not pregnant or with full litter resorption.
Number of pups on day of birth at first observation.
Litter loss: uterine implants present but no pups (full litter resorption) or only dead pups (whole litter loss) at birth.
Pregnancy rate: (# pregnant / # plug +)*100.
, .001 by Bonferroni’s test. by chi-square test for trend.