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Plasma IgG recognition of CSA-adherent pRBC in primigravid subjects over time. The lower horizontal line indicates the MFI of the negative control plasma from Ghanaian men (mean of duplicate tests of pooled plasma). The upper horizontal line indicates the MFI of the positive control plasma from multigravid pregnant Ghanaian women (mean of duplicate tests of pooled plasma). 1, enrolment at early pregnancy; 2, late pregnancy; 3, postpartum.
