Fig 1.
Flowchart of review process.
Fig 2.
Quality assessment of the studies included in the systematic review based on Methodological Index for Nonrandomized Studies (Slim et al, 2003) [15].
(A) Quality items for all observational studies. (B) Quality items for comparative studies.
Table 1.
Characteristics of included studies.
Table 2.
Characteristics of pregnant women, neonates and their outcomes.
Table 3.
Characteristics of 42 mother-to-child congenital chikungunya studies.