Sore nipples are not necessarily pregnancy. After pregnancy, women will experience symptoms of menopause, and early pregnancy reactions such as nausea, vomiting, anorexia of greasy food, drowsiness, and fatigue will occur around 6 weeks of pregnancy. Some women may experience mood changes, and others may experience symptoms such as breast nipple tenderness and deepening of the areola. However, the presence of these symptoms does not necessarily mean that you are pregnant. Women may experience a variety of symptoms during pregnancy due to individual differences, while others may not experience any discomfort. However, these symptoms are not unique to pregnancy and may also occur if you have a medical condition. Therefore, it is not accurate to infer pregnancy from clinical symptoms. In clinical practice, pregnancy can be diagnosed by a combination of a positive pregnancy test and clinical symptoms. When pregnancy is confirmed, pregnant women need to strengthen nutrition and pay attention to rest.