The authors of this systematic review identified 5 papers for their narrative synthesis. They report that maternal chocolate and coffee might be associated with increased infant colic and atopic dermatitis, although it remains unknown whether caffeine is a causative agent. They note that the quality of the studies reviewed was variable, and that evidence for any recommendations therefore remains scant and and inconclusive.

The full paper is available online at https://smw.ch/article/doi/smw.2018.14665