If those had been the reasons why fertilized eggs had not implanted, 1/3 to 1/2, of them they would have included those reasons, they didn't.
To follow your logic many healthy women are having miscarriages in truly outstanding and huge numbers. I just don't believe that to the case.
Well actually Marajade, that would be more YOUR logic wouldn't it? You're the one that claimed that women are releasing fertilized eggs all on their own every month!