Pregnancy Calculator Pregnancy Calculator Down Syndrome Risk Calculator Contact Information Irish Maternal Fetal Foundation Suite 36, Beacon Hall, Beacon Court, Sandyford, Dublin 18 Telephone: 01 293 3984 Fax: 01 293 3971 Email: imff@imff.ie Need some more information? Visit our Articles & videos and know more about your childs health. Print Version Last Menstrual Period Date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year 2016 2017 2018 2019 OR Estimated due date Date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year 2017 2018 2019 2020