Disgirl, someone else asked this question ages ago and apparently it's not possible. You may have fertile CM in more than one batch during a cycle but you can only ovulate once.

If you're unsure of when you ovulate going by CM, the best thing to do is take your temp every morning and use OPK's. The cycle I conceived, I had no fertile CM whatsoever and the only way I could tell that I ovulated was by my temps.

HTH!

Love
Belle
-xxxooo-