Cogprints

The Effect Of Normocephalic Foetal Skull On Foetal Dating Using Biparietal Diameter

Ugwu, AC and Nwobi, IC and Eteudo, AN and Ovuoba, KN (2008) The Effect Of Normocephalic Foetal Skull On Foetal Dating Using Biparietal Diameter. [Journal (On-line/Unpaginated)]

Full text available as:

[img]
Preview
PDF
109Kb

Abstract

The study was conducted to determine the desirability or otherwise of mathematically correcting every normal foetal head shape to an ideal shape prior to dating using the biparietal diameter (BPD). Transabdominal Sonography was performed in 118 pregnant women in their second- and third- trimesters. The BPDs and fronto-occipital diameters (FODs) were measured. A study of 100 foetuses with normal head shapes was used to derive in this environment, a regression equation for an area corrected BPD (BPDa): BPDa = - 2. 853 + 0.483 (BPD + FOD). The BPDa of 18 foetuses with normal head shapes, were computed with this equation. Z test was performed to compare the mean BPD and Mean BPDa. Z statistic showed no significant difference (p>0.5) between BPDa and BPD in this group of foetuses with normal head shapes. There is no need to mathematically correct normocephalic foetal head shapes to ideal shapes before dating using the BPDs

Item Type:Journal (On-line/Unpaginated)
Keywords:Foetus, Mathematical Correction, Biparietal Diameter, Cephalic Index, Ultrasonography
Subjects:JOURNALS > Online Journal of Health and Allied Sciences
ID Code:6201
Deposited By:Kakkilaya Bevinje, Dr. Srinivas
Deposited On:19 Sep 2008 14:59
Last Modified:11 Mar 2011 08:57

References in Article

Select the SEEK icon to attempt to find the referenced article. If it does not appear to be in cogprints you will be forwarded to the paracite service. Poorly formated references will probably not work.

1. American Institute of ultrasound in Medicine. Guidelines for the performance of the Antepartum obstetrical ultrasound examination. 1994. Laurel, MD, American Institute of Ultrasound in Medicine.

2. Kurtz AB, Wapner RJ, Kurtz RJ et al. Analysis of biparietal diameter as an accurate indicator of gestational age. J Clin ultrasound 1980;8:319.

3. Doubilet PM, Greenes RA. Improved prediction of gestational age from foetal head measurements. AJR 1984;142:797.

4. Kurts AB. Fetal Growth In: The Foetus. Syllabus Laurel, MD. American Institute of Ultrasound in Medicine. 1997 pp 77-83.

5. Benson CB, Doubilet PM. Sonographic prediction of gestational age: Accuracy of second-and third-trimester foetal measurements. AJR 1991;157:1275.

6. Ugwu AC, Ewunuonu EO, Nwobi IC, Egwu OA, Ovuoba KN. Sonographic Assessment of Fetal Cephalic Index in a Nigerian population: A novel paradigm J Diag Med Sonography 2007;23(2):87-90.

7. Hass LL. Roentgenological skull measurements and their diagnostic applications. AJR 1952;67:197-209.

8. Jordan HVF. The diferential enlargement of the neurocranium in the full-term fetus. S Afr Med J 1976;50:1978-1981.

9. Friel JP. Dorland's illustrated medical dictionary, 25th ed. Philadelphia: Saunders, 1974:pp 470.

10. Richards DS, Cornwall G. Head. Available at http://www.obgyn.ufl.edu/ultrasound/medinfoversion/sec12/12_2.html (Accessed 16/06/07).

Metadata

Repository Staff Only: item control page