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Maternal peripheral serum estradiol levels (mean ± se) on d 25–60 of gestation in baboons untreated (n = 8) or treated with estradiol benzoate (25 μg/kg body weight, sc) daily on d 25–59 of gestation (n = 7). *, Different (P < 0.01) from respective value in animals untreated on d 25–60 and in a contemporaneous cohort of untreated baboons on d 61–120 of gestation from our primate colony (ANOVA and Newman-Keuls multiple comparison statistic).
