Why Women’s Fertility Declines with Age

A new study out of Montreal Hospital Research Center is providing a new explanation for why women’s fertility declines with age.  The study compared the eggs of 6-12 week old mice to those of 60 week old mice.  They found that the microtubules in older eggs behave abnormally.  Microtubules help with chromosome segregation during cell division.  In older eggs, the …