Nipple confusion
The child's breast posture is wrong, or the child is unwilling to suck the nipple, thus effectively sucking is insufficient, resulting in a decrease in milk quantity.
Tired, lack of rest, in a bad mood
The baby can't sleep all night, staying up late every day to take the child to rest, having a bad time with his family and being in a bad mood, which affects the milk quantity.
insufficiency of Qi and Blood
Mothers are prone to anemia from the late pregnancy, and lochia will lose a lot of blood during and after delivery, which is prone to the problem of insufficient blood with children.
Prolactin secretion
In addition to the important secretion of prolactin, the production of breast milk also has a "transportation" process.