Bleeding between menstrual periods can be worrying, especially when it happens unexpectedly. Sometimes the cause is harmless, but bleeding between periods can also be associated with infections, hormonal changes or conditions that require treatment.
1. Ovulation: Some women experience light spotting around the time an egg is released. It is usually brief and much lighter than a normal period.
2. Hormonal contraception: Birth control pills, implants, injections and hormonal coils can cause irregular spotting, particularly when a method is first started.
3. Sexually transmitted infections: Infections such as chlamydia can cause bleeding between periods or after sex. Testing and appropriate treatment are important.
4. Cervical or uterine polyps: These are growths that may cause unexpected bleeding, including after sexual intercourse.
5. Fibroids: Uterine fibroids can cause heavy periods, prolonged bleeding and sometimes bleeding between periods.
6. Pregnancy-related bleeding: Bleeding can occur during pregnancy, but it should not automatically be described as implantation bleeding. Pregnancy-related bleeding needs appropriate assessment.
7. Hormonal changes or other medical conditions: Thyroid disorders, changes around menopause and other conditions can affect menstrual patterns.
When should you seek help? Arrange a medical assessment if bleeding keeps happening, occurs after sex or is unusually heavy. If you might be pregnant and experience bleeding with severe abdominal pain, shoulder pain, dizziness or fainting, seek urgent medical attention because an ectopic pregnancy is possible.
Final thoughts: Bleeding between periods is a symptom, not a diagnosis. A healthcare professional may recommend a pregnancy test, infection screening, examination or ultrasound depending on your circumstances. Do not ignore repeated unexplained bleeding.
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