Feeling hungry all the time is not necessarily a precursor to pregnancy, as there are no obvious changes in the body before pregnancy, and pregnancy may cause an increase in appetite, but the symptoms of pregnancy are not the same for everyone, as individual body constitution is different. The most obvious symptom is menopause. You can use a pregnancy test, if the result is positive, it means conception, if the result is negative, it means no conception. Feeling hungry is related to menstruation. Before menstruation, the hormones in your body change and you feel hungry, which causes an increase in appetite. Premenstrual syndrome, such as chest pain, abdominal pain, back pain, irritability, etc., may also occur, and the symptoms will gradually return to normal after the onset of menstruation. Feeling hungry all the time is also related to stomach discomfort and diabetes, which can be examined to avoid the presence of serious diseases that may affect the timing of treatment.