In Hot Topics Dating Scan vs. Just had my glucose test today and am a little concerned, when I wasn't at all with my first. He came on my official due date and was 8lbs 12oz. Ultrasound was more accurate than LMP in dating, and when it was used the number of postterm pregnancies decreased. Pregnancy Your Guide to the First Trimester of Pregnancy Pregnancy during the first trimester leads to some big changes. In November Babies What due date are you using? LMP or dating scan?
When ultrasound was used instead of certain LMP, the number of postterm pregnancies decreased from
When should I count my due date from - LMP or scan?
Ultrasounds done later in the pregnancy are less accurate for dating, so if your due date is set in the first trimester, it shouldn't be changed. But since then I have been measuring weeks ahead and when she did my fundal today she was surprised that I was measuring so far ahead again. This baby was a huge surprise and I was breastfeeding when I got pregnant. My 8 week scan for this If an ultrasound date in the first trimester differs from your LMP date by seven days or more, we would go with the ultrasound.