Is It Possible That I Am Pregnaunt If My Period Run Avg 34 Days And I Had Sex On My 11th 12th 13th 17th 9th And 21st Days In My Cycle That Is Counting From The First Day Of My Last Period Which Was On Dec 13 06 Other Than That My Last Four Periods Startes On 11/4/06 10/3/06 9/3/06 And 7/29/06