What are the risks of caffeine in the first trimester?
Last updated on April 1, 2026
The main worry about caffeine and pregnancy is the possibility of a link with miscarriage in the first trimester. However, when you dive deeply into the data, there is not a link between low to moderate caffeine consumption (up to about four cups of coffee per day) and miscarriage. At higher levels than that, the data is harder to be fully confident in — it seems like there may be a link, but it also may be driven by differences in other factors. Bottom line: There are no concerns about moderate caffeine consumption.
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