Resources Due Date Calculator March 8, 2016 11501 Facebook Twitter Google+ Pinterest WhatsApp Congratulations on your pregnancy! Kindly note that the DUE DATE that our calculator generates is to help you estimate when you should expect your baby. Your baby could come two weeks before or after the generated due date. Please select the first day of your last menstrual period: JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember / 12345678910111213141516171819202122232425262728293031 / 2023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050 Usual number of days in your cycle: 2021222324252627282930313233343536373839404142434445