11 week outdated beside diarrhea?

My daughter is 11 weeks and 4 days old. She is a strictly breastfed baby. In the last 2 hours she have had 2 much more watery than usual stools. She doesn't seem to be mortified. She's playing, laughing, and smiling with me. Her appetite has not changed and is eating every 3 hours for give or take a few 20 minutes total.

Do I need to be concerned or is it nothing to be worried about?

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Answers:    Have her stools changed to a green color? If so she is getting to much formilk & not ample hindmilk. Or it could just be something in your diet that she's sensitive to. My baby get really watery stools if I drink cows milk. Have you eaten anything different or had profoundly of dairy products?

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