Body weight during the suckling (A) and post-suckling (B) periods in normal litters (NL) or small litters (SL) rats.

<p>Data are expressed as mean ± SEM. Differences between groups at the corresponding time points were analyzed by unpaired Student's <i>t</i>-test. *<i>P</i><0.05, **<i>P</i><0.01 for SL vs. NL rats at corresponding time points (<i>n</i> = 6–9).