My dd is 1/22/13...Im sure its my boyfriends, but I was with another guy maybe april 6th/7th. I was with my bf april 28th, 29th & may1st. Who's dad?

Conception Calc. Conception calculators estimate probable conception dates from birth, lmp and due dates. These are probable conception dates based on an average 28 day cycle: first day of last menstrual period: april 17, 2012 probable date of ovulation: may 1, 2012 possible dates of conception: april 27 to may 5, 2012 due date: january 22, 2013 (40 weeks) consult with your physician to be sure.