Figure 1From: Breeding status and social environment differentially affect the expression of sex steroid receptor and aromatase mRNA in the brain of female Damaraland mole-ratsPlasma progesterone levels are higher in reproductive than in non-reproductive females. Median, lower and upper quartiles and range of plasma progesterone levels of breeding, non-breeding and removed non-breeding female Damaraland mole-rats. *** p < 0.001.Back to article page