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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: J Steroid Biochem Mol Biol. 2013 Apr 10;0:132–141. doi: 10.1016/j.jsbmb.2013.03.010

Table 2.

Ovarian ova production and oocyte aneuploidy in aging mice

Age, month # Ova Aneuploidy
2 40 ± 7 4.2%
6 31 ± 4
12 17 ± 6
16 4.4 ± 3.6 25%

B6D2F1 mice (C57BL/6J x DBA2/J mice) oocytes arrested at metaphase II [26].