Generally, pregnant women are able to use medical paraffin cotton balls during hospital checkups, but they should not use medical paraffin cotton balls indiscriminately or for a long period of time. The main function of medical paraffin cotton balls is lubrication, which will be used in some clinical examinations. If the examination needs to be lubricated by medical paraffin cotton balls to ensure that the examination is carried out smoothly and to reduce the pain felt by the pregnant woman, then the pregnant woman can cooperate with the doctor to use medical paraffin cotton balls. In daily life, pregnant women should not use medical paraffin cotton balls indiscriminately or for a long time, in order to prevent the growth and development of the fetus. During pregnancy, pregnant women should also pay attention to avoid contact with ionizing radiation, chemical harmful substances, etc., in order to reduce the impact on their own health and fetal growth and development. Pregnant women are in a special time period, if there are abnormalities, need to consult a doctor in a timely manner, follow the doctor’s instructions to use medication, do not self-medication. Pregnant women are advised to use medical paraffin cotton balls as prescribed by the doctor, but not indiscriminately on their own. If pregnant women experience discomfort after exposure to medical paraffin cotton balls, they should inform their doctor in time.