It is not recommended to get pregnant after one week of quitting smoking to avoid adverse effects on pregnancy. Prolonged smoking may lead to the presence of nicotine in the blood, and one week after quitting smoking, the nicotine may not have been metabolized cleanly, which may increase the chance of miscarriage when you get pregnant, so it is not recommended to get pregnant after one week of quitting smoking. After 3 to 6 months of quitting smoking, the body may return to normal and pregnancy preparation can be carried out normally. Before preparing for pregnancy, it is recommended that both spouses consult a doctor for a pregnancy test to determine if there are any abnormalities. During the period of preparation for pregnancy, do not drink alcohol, do not abuse drugs, avoid contact with toxic substances, strengthen physical exercise, reasonable diet, to ensure balanced nutrition, after the success of the pregnancy, the woman should regularly consult a doctor for pregnancy tests.