Which inborn errors of metabolism allow for partial breastfeeding?

Partial breastfeeding is often suitable for infants with certain inborn errors of metabolism, such as Phenylketonuria (PKU) and Maple Syrup Urine Disease (MSUD).

In the case of PKU, breast milk contains phenylalanine, but the amount can be managed through careful monitoring and by complementing breast milk with a special formula that is low in phenylalanine. This means that infants with PKU can benefit from the nutrients and bonding associated with breastfeeding while still controlling their phenylalanine intake.

Similarly, for MSUD, breast milk also contains branched-chain amino acids, which can be problematic for affected infants. However, partial breastfeeding can still be implemented by balancing breast milk with a specialized formula that helps maintain appropriate amino acid levels, thus allowing these infants to receive the benefits of breastfeeding while managing their condition effectively.

In contrast, options like classic galactosemia require a strict elimination of lactose, making any amount of breast milk unsuitable. Cystic fibrosis can permit partial breastfeeding but typically involves additional considerations like enzyme supplementation, and its acceptance may vary depending on the individual circumstances. Sickle cell disease can also allow breastfeeding; however, the management of this condition does not hinge on dietary restrictions in the same