My period used to be every 28 days last 5 to 6 days very normal. Then in the last 3 months ive gotten it on day 23 then day 20 ehich lasted 8 days now its been day 16 and i started... what the F do i do. i am trying to conceive at first i thought oh hell yeah implantation very light then day 2 heavy. so i took my chances of being a mommy out of the pick. Any one else have this mid cycle period should i go to a dr.? im getting so discouraged and stressed out about my body i dont know what to do anymore..