Top
10
Doctor insights on: Cephalopelvic Disproportion Ultrasound For Due Date

Share
Dr. Michael Gabor
2,155 doctors shared insights

Sonogram (Definition)

The sonogram is a test that looks at body organs with no radiation. It uses sound waves and can give us a 2 dimensional view of organs such as the kidney, liver, heart, and lungs. It can define spaces that are either solid or full of fluid. I can also guide large needles into an organ or near the spine, and can help define the area being cut open. Its a ...Read more


2

2
I wanted to know is cephalopelvic disproportion genetic?

I wanted to know is cephalopelvic disproportion genetic?

Head is too large...: The easiest way to visualize this is that the head is too large to pass through the birth canal. Cephalo means head and pelvic is the birth canal. ...Read more

5

5
I had 3 ultrasounds a day in btwn them. One gave 7/11/14, the second a due date of 7/08/14 and the other gave 7/14/14. Which is correct? ?

I had 3 ultrasounds a day in btwn them. One gave 7/11/14, the second a due date of 7/08/14 and the other gave 7/14/14. Which is correct? ?

?? please ask your: Ob do not know why you would have 3 us in a row with one day in between them? It is the job of your OB to decide which one to use, your OB should have given u a set due date already if u had 3 ultrasounds. ...Read more

6

6
How accurate are ultrasounds in determining due date?

How accurate are ultrasounds in determining due date?

Depends on dates: The ultrasound (us) is the most accurate way we have of deciding how pregnant you are. There is a variation in us accuracy due to how we measure and who is measuring, but the accuracy is about 3-4 days before or after the measured size until about 10 weeks, plus or minus a week to about 14-15 weeks, then gradually changing up to a 3 week range in the last 2 months of pregnancy. ...Read more

7

7
How do you know if your due date is accurate? (ultrasoud, multiple ultrasounds give same date, lmp, etc?)

How do you know if your due date is accurate? (ultrasoud, multiple ultrasounds give same date, lmp, etc?)

Pregnancy dating: The best dating is an accurate last menstrual period date confirmed by an early ultrasound. But not many women have that. Second best is an early ultrasound dating. Remember a term pregnancy is 40 wks +/- 3 weeks. Your due date doesn't mean you will deliver on that date. It's just a means of knowing how pregnant you are. ...Read more

See 1 more doctor answer
8

8
I know it's not a big difference, but what would change a due date from june 3 to may 31? (based on 12 week ultrasound).

I know it's not a big difference, but what would change a due date from june 3 to may 31?  (based on 12 week ultrasound).

Different size is OK: An ultrasound measurement and fetal age calculations are based on averaging many pregnant women and following them until birth of the baby.There are many factors that could alter the growth of the fetus, and babies come in all sizes, so the dates during early pregnancy are reported as a certain date plus or minus 5 days , 10 days, etc. The earlier the ultrasound, the more accurate the dating. ...Read more

See 1 more doctor answer
9

9
If i'm measuring 2 days ahead at a 20 week ultrasound should my due date change?

If i'm measuring 2 days ahead at a 20 week ultrasound should my due date change?

Definitely not: You never change a edd (due date) based on a second trimester ultrasound if you had reliable first-trimester dating. The ultrasound gets less precise as the pregnancy goes on. ...Read more

Baby Too Large For Mother's Pelvis (Definition)

Cephalopelvic disproportion is a condition where the baby's head or body is too big to fit through the mother's pelvis. This often leads to "failure to progress" in labor, and is a common indication for ...Read more