Little specs in babys poo?

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My daughter is 10 months old. Formula fed, some introduction to solids (mostly purées and Greek yogurt).

I’ve noticed these little black specs in her poo for at least the last 3 days. I dunno if they’ve always been there or if I’m over thinking things. Just looking for some comfort/advice. My husband thinks I’m making a big deal over nothing.

She is eating normal, stools are a normal consistency, she’s

not straining to poo, etc. Totally normal behaviour.