I ate raw cookie dough while pregnant: what to know

What does the evidence say about accidentally ate raw cookie dough while pregnant during pregnancy?

1. Raw eggs can carry Salmonella, and using pasteurized egg products is recommended whenever a recipe calls for raw eggs; hands, utensils, and surfaces should be washed after contact with raw eggs. 1
2. Salmonella can develop increased tolerance and survive for extended periods, in some studies over 40 days, in raw-egg-based mixtures like batter, since typical dough and batter are not acidic or dry enough to reliably eliminate it. 2
3. Flour is a raw agricultural product that is not processed to kill bacteria, so uncooked flour in dough or batter can carry E. coli even when no eggs are involved at all. 3
4. In an investigation of a multistate E. coli outbreak, people who reported tasting raw, homemade dough or batter had a much higher odds of infection than people who did not, confirming raw dough itself as a source, separate from any egg content. 4
5. A 2016 outbreak tied to commercial dough mix caused illness in 13 people across 9 states; 8 of the 12 patients with available information were hospitalized, including 2 who developed hemolytic uremic syndrome, a serious kidney complication, though no deaths occurred. 3

Is accidentally ate raw cookie dough while pregnant safe in each trimester?

• First trimester. Raw-egg and raw-flour illnesses can happen in any trimester, but if you're also dealing with morning sickness it can be hard to tell ordinary nausea from a new stomach bug. Note when symptoms started relative to eating the dough.
• Second trimester. The same watch-and-wait approach applies here. If fever, persistent vomiting, or diarrhea develop, call your provider rather than waiting it out.
• Third trimester. Report fever or signs of dehydration promptly in the third trimester, since dehydration can contribute to contractions. Otherwise, one taste of raw dough is not typically a reason to worry.