My baby girl of 2 months did not poop for 2 to 3 days.

That is the problem with formula milk.Gets easily constipated. Breast milk is easier to digested hence those on mix or fully breast milk will have lesser constipation problem. Some babies don't pass motion daily. But if never pass motion more than 3 day maybe u can try probiotics.Or u do not agree with what I say,maybe u can see Dr and ask for other advice.Not sure if they will give stool softener.But as much as we can I think can take probiotics coz is a supplement not a medication coz cannot be every 3 days never poo then want to give stool softener or worst is dulcolax suppository. Hope my answer helps you :)

I think quite normal for FM. Recently changed to FM for my baby and he only poops once a day if not once every 2 days. Nurses told me it’s normal.