my 15 month daughter is passing yellow poops once a day for the last week, the stool its self looks quit formed on the begin and after comes out loose one not watery but is not solid.She does not suffer from fever ,she does not have rush or skin color changed, looks really healthy but we are concern about off color stool also she is teething ,hers big teeth are coming up,she takes normal balanced diet .Could you please give as an advaice. Thank you very much.