, the american college of obstetricians and gynecologists (acog) is cracking down on the uncertainty surrounding a woman's due date. it joined forces with the american institute of ultrasound in medicine and the society for maternal-fetal medicine to recommend that doctors now calculate due dates with an early, first-trimester ultrasound and combine those findings with a woman's menstrual cycle information to determine a more accurate due date. “estimated date of delivery” (edd), or “due date” as it is commonly called, is the expected date that you will begin labor. they help you predict when you are likely to have your baby. it is unlikely that your baby will be born exactly on the estimated date of delivery. despite not being 100% accurate, it is the easiest way to get a useful prediction.
Calculating Your Baby's Due Date
Pregnancy: Ways to Find Your Due Date-Topic Overview
most common way to calculate your due date is to start with the first day of your last menstrual period (lmp). a new meta-analysis, released this week in bjog: an international journal of obstetrics & gynaecology, suggests doctors and midwives may finally be able to help full-term women hone in on their actual delivery dates by using ultrasounds to measure how long their cervixes are. due date:Based on the last menstrual period, the estimated due date is 40 weeks from the first day of the period. and a woman whose cervix was just 5 millimeters on her due date had a 94 percent chance of going into labor within the week. a woman with a higher risk of stillbirth may want to have labor induced if her cervix is still quite long at her due date, suggesting the possibility of spontaneously going into labor is some ways off. are a few different ways to estimate your due date:The most accurate way to determine your estimated due date is by using your date of ovulation to find the age of the fetus.