Iam currently pregnant 18weeks and about 6 days and I'm unsure on who the farther of my unborn child is. I had sex with my ex on April 22nd one time unprotected and the had sex with my current boyfriend the 23 up til today everyday. my LMP was April 15th my cycle is a 28 cycle also my conception date was april 29. started 25-30 and my due date is suppose to be jan.17.2014 , can anyone help me out