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The association between preeclampsia and poor fetal growth (sga, lbw) as well as excessive fetal growth (lga, hbw). Figures and studies that illustrate the impact of preeclampsia on birth weight based on gestational age. The document also challenges the current theory that reduced uteroplacental perfusion is the unique pathophysiologic process in preeclampsia.
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Fig 1. PIH and Low Birth Weight(N=97,
Alberta, Canada)
5,
10,
26
0 50 40 30 20 10
Non-PIH
GH
PE
LBW(%)
Fig 2. PIH and Preterm birth(N=97,
Alberta, Canada)
Non-PIH
Preterm Birth (%)
3,
3,
4,
3,
8 6 4 2 0 10
Non-PIH
GH
PE
Severe PE
High birth weight (%)
Fig 6. PIH and Large for Gestational Age(N=97,
Alberta, Canada)
2,
4,
4,
8 6 4 2 0 10
Non-PIH
GH
PE
LGA (%)
SGA10%
AGA80%
LGA10%
Fig. 7 Effect of PIH on birth weight by gestational age
(Xiong et al, American Journal of Epidemiology, 2002;155:203-9)
0
6000 5000 4000 3000 2000 1000
=<
33
34
35
36
37
38
39
40
41
=>
Normotensive status
Gestational hypertension
Preeclampsia
Preeclampsia is associated with an increased risk of poorfetal growth (SGA, LBW)
Preeclampsia is associated with an excessive fetal growth(LGA, HBW)
Effect of preeclampsia and gestational hypertension onbirth weight is a function of gestational age:
Effect of decreased birth weight is found mostly amongpreterm births. (38.8% preeclamptic women)
Most babies born to mothers with preeclampsia at termactually have normal birth weight for expectedgestational age. (61.2% preeclamptic women)