the findings mentioning that your wife ovulated.
in case of regular periods ovulation will occur between 12 to 16 days.
ovulation itself will not indicate pregnancy
you have to plan intercourse during ovulatory period at least on alternative days.
after that when your wife misses her period let her take urine or blood test
which will detect pregnancy.
meanwhile let her take folic acid
, multi vitamins
and multi minerals tablets.