Eat menstrual regulating drugs, if pregnant then you can have, especially for the more difficult to conceive, it is best to retain the first, these are mostly blood circulation and promote ovulation drugs, the impact on the fetus is not very large. However, it is not possible to rule out abnormalities, you need to do a good job of regular obstetric examination, such as ultrasound, 11-14 weeks to do Down’s syndrome screening, 22-26 weeks to do four-dimensional ultrasound, as long as the examination of fetal development is good, you can continue the pregnancy. Pay attention to the balance of nutrition, eat more high protein food, prevent colds, do not abuse drugs, early pregnancy should eat more food containing folic acid, to prevent neurovascular malformation. Avoid exposure to substances that radiate to the body, such as electromagnetic furnace, microwave oven, x-ray.