Methods and precautions for relieving toothache during pregnancy. During pregnancy, many pregnant women will experience different physical discomforts. The most common one is toothache. Toothache will not only affect the health of pregnant women, but also have a certain impact on the health of the fetus. The following will introduce you to the methods and precautions for relieving toothache in pregnant women. Dietary adjustment and oral hygiene When pregnant women experience toothache, the first thing they should do is to adjust their diet and oral hygiene. Pregnant women should eat less cold, spicy, sweet and sour, hard foods, etc. in their diet to avoid tooth pain caused by food retention. In addition, pregnant women must brush their teeth carefully before going to bed every day.