One week of pregnancy may have no obvious symptoms at the beginning if it means one week of menopause, or there may be symptoms of early pregnancy reaction. One week of pregnancy, the early stage of pregnancy, the pregnant woman’s body estrogen, progesterone, human chorionic gonadotropin and other sex hormone levels are gradually rising, but the height level is not very obvious, the impact on the pregnant woman’s body is not great, so there may be no obvious symptoms. If the time of conception is relatively early, and the levels of various sex hormones in the pregnant woman’s body increase significantly, the corresponding symptoms of early pregnancy may appear, and nausea, vomiting, drowsiness, headache, dizziness, increased appetite, decreased appetite, changes in the sense of smell, lethargy, tiredness, and other symptoms may occur.