Six months pregnant, two packs a day.

Smoking during pregnancy is not allowed, because cigarettes contain harmful substances such as nicotine, which may cause serious effects on the respiratory system and cardiovascular system of pregnant women. A large amount of smoking may lead to lung cancer, chronic bronchitis, pulmonary heart disease, digestive tract ulcers, etc. Six months pregnant, two packs of cigarettes a day, such a large amount of smoking may lead to fetal growth restriction, stillbirth, teratogenesis, etc. It is recommended that pregnant women ban smoking during pregnancy, prevent eating spicy and irritating foods, prevent contact with toxic, harmful and radioactive substances, balance diet, maintain good living habits, maintain a comfortable mood, and regularly check pregnancy.