DS : formule 1
HC
mm ; LF
mm
Age de grossesse : la médiane (Z-score = 0 ; ou 50° percentile) et les autres percentiles
• Z-score
-2
-1,88
-1,65
-1
0
+1
+1,65
+1,88
+2
• Percentile
2,28° P
3° P
5° P
16° P
50° P
84° P
95° P
97° P
97,72° P
Age de grossesse en jours
Semaines (SA)
et jours
DS : formule 2
Age de grossesse : la médiane (Z-score = 0 ; ou 50° percentile) et les autres percentiles
• Z-score
-2
-1,88
-1,65
-1
0
+1
+1,65
+1,88
+2
• Percentile
2,28° P
3° P
5° P
16° P
50° P
84° P
95° P
97° P
97,72° P
Age de grossesse en jours
Semaines (SA)
et jours
Référence
:
A. T. PAPAGEORGHIOU1,B.KEMP1,W.STONES2,3,E.O.OHUMA1,4, S. H. KENNEDY1, M. PURWAR5,L.J.SALOMON6, D. G. ALTMAN7,J.A.NOBLE8, E. BERTINO9, M. G. GRAVETT10, R. PANG11,L.CHEIKHISMAIL1,F.C.BARROS12,13, A. LAMBERT1, Y. A. JAFFER14,C.G.VICTORA13,Z.A.BHUTTA15,16 and J. VILLAR1, for the International Fetal and Newborn Growth Consortium for the 21st Century (INTERGROWTH-21st
Ultrasound-based gestational-age estimation in late pregnancy
*- Ultrasound Obstet Gynecol 2016; 48: 719–726
Published online in Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/uog.15894. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Formule 1
+
loge (GA) = 0.03243 × (loge (HC))2 + 0.001644 × FL × loge (HC) + 3.813
DS =
0.04009 × GA – 1.149
Formule 2
loge (GA) = 0.05970 × (loge (HC))2 + 0.000000006409 × (HC)3 + 3.3258
DS = 0.6492 × (GA × 0.01)3 + 2.991