Nomogram of the Fetal Humerus Length at 16-24 Weeks of Pregnancy
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Clinical Investigation
P: 248-252
December 2008

Nomogram of the Fetal Humerus Length at 16-24 Weeks of Pregnancy

Turk J Obstet Gynecol 2008;5(4):248-252
1. Department Of Obstetrics And Gynecology, Istanbul Goztepe Education And Research Hospital, Turkey
2. Department Of Obstetrics And Gynecology, Istanbul Okmeydani Education And Research Hospital, Turkey
3. Department Of Obstetrics And Gynecology, International Hospital, Istanbul, Turkey
No information available.
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ABSTRACT

CONCLUSION:

Turkish humerus length nomogram obtained at 16-24 gestational weeks show conformity with the worldwide use.

RESULTS:

Median values of humerus length between 16-24 weeks were 20, 23, 25, 29, 32, 33, 36, 38 and 39 mm respectively. Between 16 and 24 gestational weeks, we determined that the cubic regression model was more suitable than linear regression model Statistically significant correlation was also found between the HL and GW [HL=(GW x 4,6)- ((GW3)x0,018)-46] (r2: 0,828; p<0,001) ), and BPD [HL=(BPD x 1,212)-((BPD3) x 7,12)-18,833] (r2=0,842; p<0,001) ) and FL [HL=(FL x 1,21) –((FL2) x 0,0061)-0,8315] (r2= 0,91; p<0,001) ).

MATERIAL-METHOD:

In this prospective study; fetal biometric measurements are obtained by transabdominal ultrasound from 856 normal fetuses between 16-24 gestational weeks (GW). The distributions of humerus length and percentiles values are established according to 16-24 gestational weeks. Fetal biometric parameters and humerus length were assessed by regression analysis.

OBJECTIVE:

To obtain the nomogram of the fetal humerus length (HL) at 16-24 weeks of gestation with known prognosis of normal pregnancies.

Keywords:
Ultrasonography, Humerus, Nomogram