Why Am I Experiencing Light Menstrual Flow This Month?

Menstrual blood is not coming out?

There has been no sexual activity, and menstruation occurred last month, but there is blood when wiping after using the restroom, although there is none on the sanitary pad.
Why is this happening? Additionally, the amount is very little; is this normal? Previously, the flow was quite heavy, and there were no issues with menstrual blood not coming out.
Thank you.

J, 20~29 year old female. Ask Date: 2021/10/18

Dr. Wu Xianghui reply Obstetrics and Gynecology

"Abnormal vaginal bleeding" has many causes, including lifestyle habits and stress, age, vaginal infections, benign gynecological conditions, and malignant tumors, among others.
Therefore, it is recommended that you visit a professional obstetrician-gynecologist for examination and evaluation.

Reply Date: 2021/10/18

More Info

Experiencing light menstrual flow can be concerning, especially if it deviates from your usual pattern. There are several potential reasons for this change, and it's important to consider various factors that could be influencing your menstrual cycle.

Firstly, hormonal fluctuations are a common cause of changes in menstrual flow. The menstrual cycle is regulated by hormones such as estrogen and progesterone, and any imbalance can lead to lighter periods. Stress, significant weight changes, or changes in physical activity can all affect hormone levels. For instance, if you've experienced increased stress or changes in your lifestyle, this could result in lighter menstrual bleeding.

Another possibility is that you may be experiencing what is known as "spotting." Spotting can occur for various reasons, including hormonal birth control, ovulation, or even implantation bleeding if there is a chance of pregnancy. Although you mentioned that there has been no sexual activity, it's worth noting that some forms of birth control can cause lighter periods or spotting between cycles.

Additionally, certain medical conditions can lead to changes in menstrual flow. Conditions such as polycystic ovary syndrome (PCOS), thyroid disorders, or uterine fibroids can all affect your menstrual cycle. If you have a history of any of these conditions, it might be worth discussing with your healthcare provider.

It's also important to consider the possibility of perimenopause if you are in your late 30s or older. Perimenopause is the transitional phase leading up to menopause, during which hormonal changes can lead to irregularities in menstrual cycles, including lighter or skipped periods.

If your menstrual flow remains light or if you experience other symptoms such as severe pain, irregular cycles, or any unusual discharge, it would be advisable to consult with a healthcare professional. They can perform a thorough evaluation, which may include a physical examination, blood tests to check hormone levels, and possibly imaging studies to rule out any underlying conditions.

In summary, while a light menstrual flow can be normal for some individuals, especially if it is a one-time occurrence, it is essential to monitor your symptoms. If this change persists or is accompanied by other concerning symptoms, seeking medical advice is the best course of action. Your healthcare provider can help determine the underlying cause and recommend appropriate treatment or management options. Remember, your menstrual health is an important aspect of your overall well-being, and any significant changes should be taken seriously.

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