Table 1.

Brain and Body Weights

Brain and body weights increased over adolescence, were greater in males compared to females, and were reduced by prenatal stress. Group means (in grams) ± standard errors of the mean are shown.

	Control Male	PS Male	Control Female	PS Female
Brain Weight T,A,S
day 20	1.46 ± .03	1.39 ± .04	1.36 ± .03	1.34 ± .11
day 30	1.70 ± .03	1.62 ± .04	1.63 ± .03	1.54 ± .03
day 56	1.94 ± .07	1.94 ± .04	1.81 ± .04	1.76 ± .04
day 90	2.14 ± .05	2.07 ± .05	2.00 ± .05	1.92 ± .08
Body Weight T,A,S,A* S,A* T,S* T
day 20	59.5 ± 3.5	51.8 ± 2.9	50.8 ± 2.8	59.3 ± 5.7
day 30	112.2 ± 2.7	106.5 ± 5.3	98.0 ± 3.3	97.3 ± 3.0
day 56	345.9 ± 15.8	326.1 ± 16.6	216.8 ± 3.7	201.1 ± 8.4
day 90	527.9 ± 5.1	477.1 ± 12.0*	303.7 ± 7.5	281.6 ± 3.1*

Symbols indicate significant effects: ^T prenatal stress treatment, ^A age, ^S sex, ^A*S interaction between age and sex, ^A*T interaction between age and prenatal stress treatment, ^S*T trend towards an interaction between sex and treatment.

^*vs. same-sex day 90 control animals: males PS < Control (p<0.001), females PS < Control (p<0.02).