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Classification and procedure-to-delivery interval of women according to AF and fetal plasma (FP) IL-6 concentrations. Analysis restricted to 30 women with available AF. White in the fetal or AF compartment represents a low FP or AF IL-6 concentration, respectively. Black in the fetal or AF compartment denotes elevated fetal plasma or AF IL-6 concentration, respectively. (Reproduced with permission from reference 39).
