How to let the baby fully absorb the nutrients of breast milk within 20 minutes. Breast milk is one of the best foods for the baby\’s growth, but how the baby absorbs enough nutrients in a short period of time is a concern of every mother. The following four aspects will elaborate on how to allow the baby to fully absorb the nutrients of breast milk within 20 minutes. 1. Choice of posture during feeding. The baby\’s feeding posture has a vital influence on the absorption of milk. First, ensure breast milk