The estimate of a pregnant woman's due date can go amiss from a few days, or even several weeks in some cases. Now, a recent study, published on Oct. 28, 2015 in BJOG: An International Journal of Obstetrics and Gynaecology, shows that a screening test involving the use of ultrasound to determine cervical length can help in a more precise prediction of when a woman would give birth. The time frame can be reduced to one week from the time of the screening.
