Fig. 2 Proportion of primordial and growing follicles in Bmf<sup>−/−</sup> and WT ovaries. The percentages of total follicles in either the primordial or the growing pool in ovaries from WT and Bmf<sup>−/−</sup> mice were compared across the fertile life span. n = 6 mice/group. Loss of the Proapoptotic BH3-Only Protein BCL-2 Modifying Factor Prolongs the Fertile Life Span in Female Mice1 Biol Reprod. 2014;90(4). doi:10.1095/biolreprod.113.116947 Biol Reprod | © 2014 by the Society for the Study of Reproduction, Inc. 1