It is generally not recommended to go to the barber store to straighten your hair during the preparation period, and if you are sure that you want to straighten your hair, you should prolong the preparation period appropriately. Women should try to regulate their body during the preparation period and avoid doing things that may affect their health. And women in hair straightening usually use some chemical liquid, can enter the blood circulation through the scalp, may affect the health of the body, some chemical liquid composition and harm is not yet clear, so try not to straighten hair in the preparation period. If some women are sure to go straightening hair during the preparation period, they should extend the preparation time appropriately, and it is not recommended to get pregnant immediately after straightening hair to ensure the health of the mother and the baby. Women should prepare for pregnancy scientifically under the guidance of professional doctors and avoid exposure to harmful substances that affect their health.