Three months after the birth of hair loss is a normal phenomenon, in the pregnancy period in the body estrogen, progesterone levels are high, by the influence of hormone levels hair growth cycle is prolonged, there are many regression of the hair does not fall off and continue to grow. After the birth of the baby body hormone levels decline, the hair that should have fallen out will have fallen out, hair will fall out in large numbers, no special treatment is needed, after a period of time the amount of hair loss will gradually reduce. If half a year after birth or a large number of hair loss consider other reasons, such as the need to feed the baby at night poor sleep quality caused by hair loss, can not eat in a timely manner resulting in inadequate supply of nutrients in the body, so that the lack of nutrients needed for hair growth and hair loss. Anemia and other reasons can also lead to hair loss, you need to find the cause of the symptomatic treatment, to remove the cause of the disease to improve the symptoms of hair loss.