What does it mean when you have intercourse three days before your period and there’s a little bit of blood and then it’s gone?

Three days before menstruation coitus a little blood and no more, may be cervicitis, cervical polyps, vaginitis and so on.
1. Cervicitis: Cervicitis refers to inflammation of the cervix, associated with pathogen infection, vaginal flora disorders, hormonal imbalance and other factors, the patient may appear bleeding after intercourse, can also be accompanied by lumbar and abdominal pain, leukorrhea and other symptoms of increased discharge.
2. Cervical polyps: Cervical polyps may show abnormal vaginal bleeding symptoms, usually manifested as contact bleeding, such as coitus.
3. Vaginitis: If there is vaginal inflammation, due to the stimulation of inflammation, resulting in vaginal mucosa congestion, edema, may appear after coitus bleeding symptoms.
Three days before the menstrual period with a little blood and no blood can also be seen in other reasons, it is recommended that patients timely medical care, improve the relevant examination, under the guidance of the doctor to clarify the cause of the disease, targeted treatment, to avoid delaying the condition.