IUD-Related Menstrual Changes and Discomfort - Obstetrics and Gynecology

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Menstrual issues


Hello, I have had an intrauterine device (IUD) for over 1 year and 8 months.
During this time, I occasionally experience pain during intercourse, and initially, I had some spotting after sex.
However, for nearly the past month, I have been experiencing irregular bleeding, sometimes very minimal spotting (perhaps 3-4 drops), and at other times, the bleeding is heavier, resembling the first few days of my menstrual period.
Recently, I have also been experiencing some lower back discomfort.
I am wondering if these symptoms could be related to the IUD.
Additionally, since having the IUD inserted, my menstrual cycles have been quite heavy and prolonged.
Sometimes I have a period once a month lasting 10-15 days, and other times I have two periods in one month, with an average interval of 10-12 days between them.
On heavy days, I use 4-6 large overnight pads (42 cm long) in a single day.
This situation has resulted in longer and heavier periods compared to before I had the IUD, leading to occasional dizziness and nausea.

Jiajia, 20~29 year old female. Ask Date: 2016/09/10

Dr. Yang Wangjun reply Obstetrics and Gynecology


Hello: The intrauterine device (IUD) has two more serious side effects.
One is abnormal uterine bleeding, which includes mid-cycle bleeding, heavy menstrual flow, and postcoital bleeding.
The other is infection, which may lead to endometritis, salpingitis, and pelvic inflammatory disease.
Based on your description, it seems that the IUD is starting to cause side effects.
It is advisable to remove the IUD as soon as possible and then proceed with medical treatment.
Thank you for your message!

Reply Date: 2016/09/10

More Info


It sounds like you are experiencing a range of symptoms related to your intrauterine device (IUD) and your menstrual cycle. Let's break down your concerns regarding IUD-related menstrual changes and discomfort.

Firstly, it’s important to understand that IUDs can cause various changes in menstrual patterns, especially in the initial months after insertion. Commonly, users may experience heavier bleeding and more intense cramping during their periods. Over time, many women find that their periods become lighter and less painful. However, some individuals may continue to experience irregular bleeding or spotting, which can be concerning.

In your case, having had the IUD for over a year and experiencing irregular bleeding, including spotting and heavier menstrual flow, is not uncommon. The irregular bleeding you describe—occasional light spotting and then heavier bleeding—can be a side effect of the IUD. This is particularly true for non-hormonal IUDs, which can lead to increased menstrual bleeding and cramping. If you have a hormonal IUD, it may lead to lighter periods over time, but some users still report irregular bleeding.

The pain during intercourse that you mentioned could also be related to the IUD. Some women report discomfort or pain during sex, especially if the IUD strings are protruding or if the device is not positioned correctly. If the pain persists or worsens, it is advisable to consult with your healthcare provider to ensure that the IUD is properly placed and to rule out any other potential issues.

Regarding the back pain and the feeling of dizziness or nausea, these symptoms can sometimes be associated with heavy menstrual bleeding or hormonal fluctuations. If your periods are indeed heavier than before, it could lead to anemia, which might explain the dizziness. It's crucial to monitor these symptoms closely. If you find that your bleeding is excessively heavy (soaking through pads or tampons every hour for several hours), or if you experience severe pain, you should seek medical attention promptly.

In terms of your menstrual cycle, the length and heaviness of your periods after IUD insertion can vary widely among individuals. Some may experience longer cycles, while others may have shorter, more frequent periods. If your menstrual cycle is significantly affecting your quality of life, it may be worth discussing alternative contraceptive options with your healthcare provider.

In summary, while some of the symptoms you are experiencing can be attributed to the IUD, it is essential to communicate openly with your healthcare provider about your concerns. They can assess whether your symptoms are typical for IUD users or if there is a need for further investigation. If you are feeling unwell or if your symptoms are impacting your daily life, do not hesitate to seek medical advice sooner rather than later. Your health and comfort are paramount, and there are various options available to help manage your symptoms effectively.

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