Hair loss in early pregnancy may be caused by changes in hormone levels, mental factors, nutritional deficiencies and other reasons. 1. Changes in hormone levels: After pregnancy, the hormone levels in the pregnant woman’s body undergo relatively big changes, and the metabolism level is also accelerated, which may lead to the occurrence of particularly heavy hair loss. 2. Mental factors: if the pregnant woman in the early stages of pregnancy, due to changes in mindset, often rest is not good, mental overstress, excessive psychological pressure, may also cause hair loss phenomenon is particularly strong. 3. Nutritional deficiencies: if the pregnant woman in the early stages of pregnancy, more picky eaters or early pregnancy reaction is more serious, may lead to the body lack of micronutrients, may also cause hair loss particularly strong situation. During pregnancy, you should pay attention to rest, balanced nutrition, maintain a good state of mind, take folic acid on time, and take regular maternity checkups. If hair loss is too serious, you need to consult a doctor in time.