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. 2012 Sep 10;11:319. doi: 10.1186/1475-2875-11-319

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Copyright ©2012 Griffin et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Population average growth curves for uterine artery resistance index by early pregnancy malaria parasitaemia exposure. Kinshasa, Democratic Republic of Congo, 2005–2006. A. The unadjusted effect of early pregnancy malaria parasitaemia on mean uterine artery resistance index (n = 547 visits). B. The adjusted effect of early pregnancy malaria parasitaemia on mean uterine artery resistance index by maternal mid-upper arm circumference (MUAC). Model adjusted for gravidity and foetal sex; product interaction term (early pregnancy malaria parasitaemia * low MUAC) -2LL test p = 0.026, with 1 df (n = 544 visits). The overall standard deviation for uterine artery resistance index was 0.089.