Missed Period and Dizziness: Possible Causes - Obstetrics and Gynecology

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Menstruation has not occurred accompanied by dizziness?


I am unsure if this is due to approaching menopause or another issue.
I have been experiencing continuous hair loss while washing and combing my hair.
Last month, my menstrual period was irregular, and this month it is delayed by over ten days, but there is no discharge.
I do not have any abdominal bloating or pain, but I have lost 1 kilogram in weight.
I kindly ask for your medical advice.
Thank you!

yuki, 50~59 year old female. Ask Date: 2013/10/19

Dr. Yang Wangjun reply Obstetrics and Gynecology


Hello: (1) Menopause refers to the period from a few years before to a few years after the cessation of menstruation, during which ovarian function declines and hormonal secretion becomes irregular, leading to various physical discomforts.
Initially, menstrual cycles may become shorter, followed by episodes of anovulatory bleeding.
This occurs when follicles grow under the stimulation of follicle-stimulating hormone (FSH) and secrete female hormones.
However, if the follicles do not rupture, the corpus luteum does not produce luteal hormones, resulting in an anovulatory cycle with no corpus luteum formation and consequently no progesterone secretion.
Menstrual periods may be delayed for a time and then become irregular and sporadic.
These symptoms may require treatment to induce or regulate menstruation.
(2) As for whether decreased female hormones can cause hair loss, there are currently no research reports confirming this.
Thank you for your inquiry!

Reply Date: 2013/10/19

More Info


Missed periods and dizziness can be concerning symptoms, especially when accompanied by hair loss and weight changes. There are several potential causes for these symptoms, and understanding them can help guide you toward the appropriate next steps.

Firstly, missed periods, known medically as amenorrhea, can occur for various reasons. In women approaching menopause, hormonal fluctuations can lead to irregular menstrual cycles. This transitional phase, known as perimenopause, can begin several years before menopause officially occurs and is characterized by changes in menstrual patterns, including missed periods, lighter or heavier bleeding, and other symptoms such as hot flashes and mood swings.

Another common cause of missed periods is stress. Psychological stress can significantly impact the hypothalamus, the part of the brain that regulates hormones related to the menstrual cycle. If you are experiencing increased stress from work, personal life, or other factors, this could be a contributing factor to your missed periods.

Weight changes can also affect your menstrual cycle. A weight loss of even a small percentage of your body weight can lead to hormonal changes that may result in missed periods. This is especially true if the weight loss is rapid or if it is accompanied by restrictive eating patterns. On the other hand, significant weight gain can also disrupt your cycle.

Dizziness can be related to several factors, including dehydration, low blood sugar, or even anemia, particularly if your diet has changed or if you have been experiencing stress. If you have lost weight recently, it’s essential to ensure you are still getting adequate nutrition. Hair loss can also be a sign of nutritional deficiencies or hormonal imbalances, which may be linked to your missed periods.

Given that you mentioned no abdominal pain or bloating, it may be less likely that there is an acute medical issue such as an ectopic pregnancy or a significant gynecological problem. However, if you are sexually active, it is crucial to rule out pregnancy, as missed periods can be an early sign. A home pregnancy test can provide clarity on this matter.

If your symptoms persist, it would be wise to consult a healthcare provider. They can perform a thorough evaluation, including a physical examination and possibly blood tests to check hormone levels, thyroid function, and other relevant factors. They may also inquire about your menstrual history, lifestyle, and any other symptoms you may be experiencing.

In summary, missed periods and dizziness can stem from various causes, including hormonal changes due to perimenopause, stress, weight fluctuations, or nutritional deficiencies. While these symptoms can be concerning, they are often manageable with the right approach. Consulting with a healthcare professional will provide you with the best guidance tailored to your specific situation. It’s essential to prioritize your health and seek support when needed.

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