Thanks to TTC insanity I have taken to feeling like the world's best fertility specialist with all the answers and the techniques in the pack pocket

one second only to feel like a 16 year old school girl who hasn't had the birds and bees talk yet the next one.
This right now qualifies as the latter. Sooooo if my last AF came March the 1st and this one March the 28th, is my cycle 27 or 28 days long?
http://www.fertilityfriend.com/ttc/i...hp?d=2008-3-13
That's a link to the calendar if you can see it and if it helps.
