The basal body temperature may drop on the day of fertilization, and may rise again the next day, usually around 37℃ is normal. The basal body temperature of women before ovulation is relatively low, between 36.3℃-36.6℃. After ovulation, the basal body temperature may rise 0.3℃-0.5℃ on top of the original one, lasting for about 12-14 days. If the temperature rises for more than 16 days, pregnancy is more likely. If you are not pregnant, the basal body temperature will drop to the normal basal body temperature, followed by menstruation. If pregnancy is confirmed, you should follow the doctor’s instructions to have a good pregnancy checkup. In daily life, you should take regular rest and diet, avoid staying up late and strenuous activities, and maintain emotional stability. Avoid sexual intercourse during the first 3 months of pregnancy to prevent miscarriage or premature delivery of the embryo due to the stimulation of sexual life.