The testing is non-invasive: it involves taking a blood sample from the mother. The pregnancy is not put at risk of miscarriage, or from other adverse outcomes that are associated with invasive testing procedures such as amniocentesis.
Due Date Calculator based on Last Menstrual Period (LMP). Enter the first day of your Last Menstrual Period and the length of your cycle in order to estimate your Due Date and the gestational age at present. Note, all dates given are estimates; We will give you a more accurate indication of your due date when you have your 7-10 week ultrasound scan.