Changing formula

💀

About a week ago, my husband decided we should change our daughter’s formula from similac total comfort to the soy version, suggested by his cousins and aunt who run the daycare she goes to. They based it on how she acts after she eats. Ever since, her poop has been different. It’ll be like a small nugget of poop and then she’ll go again a little later and it’ll be her normal consistency. Is this normal while they are getting used to a new formula? Yesterday she had a bm and it was firmer than any other bm she’s had. I keep telling him it’s the formula and that I don’t think that’s normal, but he just gets annoyed and says I’m just saying that because I didn’t come up with the idea to switch the formula...

We already switched formula when she was like a month old (she’s 11 weeks today) and saw an improvement. I didn’t think it was necessary to switch again tbh.