Generally, small infrequent bowel movements during this time period means insufficient intake. (motherandchildhealth.com)
There are some situations in which it is definitely not normal for a breastfed baby to have such infrequent bowel movements, including: (verywellfamily.com)
He has consistently gained weight (he weighs 14 pounds, 13.5 ounces today) and had hyperactive bowel sounds, but also problems with infrequent bowel movement. (romper.com)