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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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30 Weeks Pregnant. Tests Done. Are The Results Normal?

Age of my wife -44 years - this is the first child since marrying (17 years back)
As per LMP - 30 weeks 6 days
BY USG:
BPD 72mm - 28weeks 6 days
HC 270mm - 29weeks - 2 days
AC - 255mm- 29 weeks 5 days
FL - 55mm - 29 weeks 2 days
Average gestational age by USG 29 weeks 1 day
EFW - 1402 gms - +/2 250 ms
Maturity Gr-II
Placenta is posterior.

I want to know the detail and why this difference. Is it normal. What is Gr-II Maturity?

Thanks
Johnson
Tue, 11 Jun 2013
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General & Family Physician,  's  Response
Hi, thanks for using healthcare magic

Congratulations.

To determine the age of a fetus , different measurements are taken by ultrasound and then averaged to obtain a likely age based on the combination of measurements.

BPD stands for biparietal diameter which is measurement of baby's head from one point to the other.
HC is head circumference
AC is abdominal circumference
FL is femur length, the femur is a bone in the thigh.

There would be slight differences in the age using the measurements but these differences are not significant.

Maturity GR 11 refers to the maturity of the placenta. This grade is appropriate for the age of the baby.

I hope this helps
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30 Weeks Pregnant. Tests Done. Are The Results Normal?

Hi, thanks for using healthcare magic Congratulations. To determine the age of a fetus , different measurements are taken by ultrasound and then averaged to obtain a likely age based on the combination of measurements. BPD stands for biparietal diameter which is measurement of baby s head from one point to the other. HC is head circumference AC is abdominal circumference FL is femur length, the femur is a bone in the thigh. There would be slight differences in the age using the measurements but these differences are not significant. Maturity GR 11 refers to the maturity of the placenta. This grade is appropriate for the age of the baby. I hope this helps