The smell of ointment should not be used during pregnancy because it contains musk, which can easily lead to miscarriage if smelled for a long time. You should not apply plasters during pregnancy, as it will also affect the growth and development of the fetus and can lead to miscarriage. During pregnancy, you should pay attention to keep the indoor air fresh, do not use perfume or irritating gas, it is best to open the windows often to ventilate the air, which is conducive to the health of pregnant women and the growth and development of the fetus. You should keep your mood relaxed and take part in outdoor sports in moderation. You should pay attention to good habits and eat more fresh fruits, vegetables and protein-rich foods, which are conducive to promoting the growth of the fetus.