Cycle day still counting 43...as at today after late period....

I hv seen my period for this month of April.....but not heavy flow just very light..nd today cycle day still counting 43....i was 3 days late, but letter shows up on d 18th of this month was due for flow on d 15th.....nd today cycle day still counting 43....will be due for Ovulation by tuesday...really dnt understand nd i dnt want to run a test either too,wt do u hv 2say about this pls