As women age their store of viable eggs reduces such that their «ovarian reserve» (and likelihood of pregnancy) declines. (sciencedaily.com)
Most flea products will kill adult fleas and stop them laying more viable eggs. (vetbabble.com)
How viable the eggs may be remains to be seen, but the ultimate hope is that they be could be used to produce an infinite, affordable supply of embryonic stem cells. (discovermagazine.com)