Bleeding a week before your period is not necessarily pregnancy, there are possibilities of ovulation bleeding, cervical disease, and menstrual flow. If you have unprotected sex during ovulation, then there is a high probability that it will lead to pregnancy. The bleeding now could then be fertilized egg implantation bleeding. However, this bleeding is significantly less than menstrual bleeding and usually lasts for a day and stops naturally. Other women experience a small amount of bleeding at this time of ovulation, caused by a sudden drop in hormone levels during this period. This small amount of bleeding does not need to be treated and can recover on its own. Some women with cervical diseases, such as cervicitis, may also experience irregular vaginal bleeding and bleeding during sexual intercourse. If the bleeding is the same as menstrual blood, it may also be the early onset of menstruation. You can first observe that menstruation is dark red in color and lasts for 3 to 7 days is normal. There may be other reasons for bleeding in the week before menstruation, so it is recommended to consult a doctor in time to make a clear diagnosis and take appropriate treatment plan for the cause.