Their feeding style and length of feed may differ from one another so it's important to alternate breasts at each feed to encourage milk production. (charlottekeating.com)
As long as your baby is breastfeeding well and gaining weight, you don't have to worry about whether or not you're switching breasts at each feeding. (verywellfamily.com)
Breast - fed infants should breastfeed 8 - 12 times a day, approximately 10 - 15 minutes per breast at each feed. (my.clevelandclinic.org)