Ovarian Cyst
In singapore

Discovering an ovarian cyst can be concerning, but you’re not alone. Many women in Singapore experience ovarian cysts during their lifetime, and most cases can be managed safely with proper medical care. At our clinic, our Gynaecologist provides comprehensive evaluation and personalised treatment options for ovarian cysts, helping you make informed decisions about your reproductive health.

Dr. Harvard Lin

Obstetrician & Gynaecologist

MBBS (SG)|MRCOG (UK)|MMed (OBGYN) (SG)

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Types Causes & Risks Symptoms When to See a Doctor Diagnosis Treatment Complications & Prevention FAQ Conclusion

What is an Ovarian Cyst?

An ovarian cyst is a fluid-filled sac that develops on or within an ovary. These cysts are relatively common, and occur most frequently during their reproductive years, though they can also affect women at other stages of life. While the word “cyst” may sound alarming, most ovarian cysts are benign (non-cancerous) and resolve without treatment. Understanding the type of cyst and exploring suitable management options is an important step in addressing the condition with confidence.

Types of Ovarian Cysts

Functional Cysts

Functional cysts are the most common type, developing as part of the normal menstrual cycle. These include follicular cysts, which occur when the follicle doesn’t release an egg, and corpus luteum cysts, which appear after the egg is released. These cysts often resolve on their own within a few menstrual cycles.

Dermoid Cysts (Teratomas)

Dermoid cysts contain various tissue types, including hair, skin, or teeth. These develop from embryonic cells and can affect women of any age. While benign, they often require surgical removal due to their potential size and the risk of ovarian torsion.

Endometriomas

Also called “chocolate cysts” due to their dark, blood-filled appearance, endometriomas develop in women with endometriosis. These cysts form when endometrial tissue grows on the ovaries and requires careful management to address both the cysts and underlying endometriosis.

Cystadenomas

Cystadenomas are benign tumours that develop from ovarian tissue. They can be serous (filled with watery fluid) or mucinous (filled with thick, sticky fluid). Because they can become large, surgical removal is often recommended.

Causes

The development of ovarian cysts may be linked to several factors:

Hormonal imbalances: Fluctuations in reproductive hormones can lead to functional cyst formation
Endometriosis: This condition increases the likelihood of developing endometriomas
Pregnancy: Certain cysts may form during early pregnancy to support the developing embryo
Severe pelvic infections: These can spread to the ovaries and form cyst-like abscesses
Previous ovarian cysts: A history of cysts raises the risk of recurrence

Risk Factors

Several factors can increase your risk of developing ovarian cysts:

Age: Women of reproductive age (15-45)
Irregular menstrual cycles: Unpredictable ovulation patterns increases the risk of cyst formation
Polycystic ovary syndrome (PCOS): This hormonal condition significantly raises the risk of cyst formation
Fertility treatments: Medications that stimulate ovulation can lead to functional cyst risk
Obesity: Excess weight can contribute to hormonal imbalances
Early menstruation: Starting periods before age 11 is linked to a higher lifetime risk
Family history: Genetic factors can play a role in cyst development

Signs & Symptoms

Mild Symptoms

Bloating or swelling in the lower abdomen
Mild pelvic pain or pressure on one side
Feeling of fullness in the abdomen
Slight changes in menstrual patterns
Mild discomfort during intercourse

Moderate Symptoms

Sharp or dull pelvic pain that comes and goes
Pain during bowel movements
Breast tenderness similar to pregnancy
Frequent urination due to bladder pressure
Difficulty emptying bladder completely
Noticeable abdominal swelling

Severe Symptoms

Sudden, severe abdominal or pelvic pain
Pain accompanied by fever or vomiting
Dizziness, weakness, or fainting
Rapid breathing or elevated heart rate
Heavy or irregular vaginal bleeding

Most ovarian cysts develop silently and are discovered during routine pelvic examinations or imaging conducted for other conditions. Symptoms typically arise when cysts grow large, rupture, or cause the ovary to twist.

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When to See a Doctor

Seeking medical advice early is important if you suspect an ovarian cyst. Schedule an appointment if you experience persistent pelvic pain, changes in your menstrual cycle lasting more than two months, or unexplained abdominal bloating. Seek urgent care if you develop sudden, severe abdominal pain, pain with fever or vomiting, or signs of shock such as cold, clammy skin and rapid breathing.

During your first consultation, our Gynaecologist will conduct a thorough medical history review and pelvic examination. You can expect a compassionate, professional environment where all your concerns are addressed. Early evaluation often allows for more conservative treatment options. Many women delay seeking help due to embarrassment or fear, but gynaecological health is an essential part of overall wellbeing.

Diagnosis & Testing Methods

Diagnosis of an ovarian cyst begins with a thorough pelvic examination, during which our Gynaecologist can often detect enlarged ovaries. Further tests are usually needed to understand the cyst’s characteristics and guide treatment decisions.

Transvaginal ultrasound is the primary imaging tool, providing detailed images of the ovaries and cysts. This painless procedure uses sound waves to examine the cyst’s size, location, and composition. The test requires no special preparation and provides immediate results.

Blood tests may include CA-125 levels, particularly for postmenopausal women or for complex cysts. Elevated CA-125 can occur in several conditions, including benign ones, and helps determine whether additional evaluation is needed. Additional hormone tests help identify underlying conditions like PCOS.

MRI or CT scans provide detailed imaging when ultrasound results are inconclusive. These modern imaging techniques help differentiate between cyst types and assess surrounding structures. Results are typically available within 24-48 hours, allowing for prompt treatment planning.

Treatment Options Overview

Watchful Waiting

For small, simple cysts, particularly functional cysts in premenopausal women, observation is often recommended as the first approach. This involves regular ultrasound monitoring, usually every 6-12 weeks, to track cyst size and characteristics. Many cysts resolve on their own within a few menstrual cycles. This approach avoids unnecessary procedures while ensuring close monitoring for any changes.

Hormonal Treatments

Hormonal contraceptives, such as birth control pills, can help regulate menstrual cycles and reduce the formation of new functional ovarian cysts. While they don’t shrink existing cysts, they help lower the risk of developing additional cysts. Treatment is usually prescribed for several months, with follow-up appointments to monitor response. Women planning pregnancy should discuss alternative approaches with our Gynaecologist.

GnRH Agonists

For endometriomas and certain other cyst types, GnRH agonists are sometimes prescribed to temporarily suppress ovarian function. This medical menopause shrinks endometriomas and provides symptom relief. This can help reduce cyst size and relieve associated symptoms. Treatment typically lasts a few months, with regular monitoring for side effects. Our Gynaecologist will discuss the benefits and temporary menopausal symptoms associated with this treatment.

Laparoscopic Cystectomy

This minimally invasive surgery removes cysts while preserving healthy ovarian tissue. Through small incisions, our Gynaecologist uses specialised instruments to carefully remove the cyst. Recovery typically takes 1-2 weeks, with most patients returning to normal activities within a month. This approach is suitable for dermoid cysts, large cysts, or those causing symptoms.

Ovarian Cystectomy via Laparotomy

For very large cysts or when there is concern about malignancy, open surgery through a laparotomy may be recommended. This procedure allows comprehensive evaluation of the pelvis and removal of complex cysts. Recovery typically takes 4–6 weeks, which is longer than laparoscopic surgery. Our Gynaecologist will advise when this approach may be appropriate based on individual circumstances.

Oophorectomy

In certain cases, removing the entire affected ovary may be needed. This remaining ovary for recurrent cysts, cysts with suspicious features, or in postmenopausal women. The remaining ovary typically continues to provide normal hormone production. Our Gynaecologist will carefully assess your condition to determine whether this is the most appropriate long-term solution.

Routine check-ups can detect ovarian cysts early.

Early evaluation can prevent complications, and our Gynaecologist will guide you through suitable management options.

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Complications if Left Untreated

Ovarian cysts that are not monitored or treated can sometimes lead to serious complications. Ovarian torsion occurs when cysts cause the ovary to twist, restricting blood flow. This can result in sudden, severe pain and may require urgent medical attention to preserve ovarian tissue.

Cyst rupture can cause internal bleeding and acute pain. Large ruptured cysts may require emergency surgery to control bleeding and prevent complications. The risk increases with cyst size and certain physical activity.

Persistent cysts may affect fertility by disrupting ovulation or damaging ovarian tissue. Some cysts, such as endometriomas, can reduce fertility. In rare cases, complex cysts may harbour malignant cells, making evaluation and monitoring essential for early cancer detection.

Prevention

While not all ovarian cysts are preventable, certain measures can reduce your risk. Regular gynaecological check-ups enable early detection and monitoring of cysts before symptoms develop. Annual pelvic examinations and ultrasounds for high-risk women provide valuable preventive care.

Hormonal contraceptives help reduce functional cyst formation by preventing ovulation. Women with recurrent cysts may be advised to use contraceptives under medical supervision. Maintaining a healthy weight through balanced nutrition and regular exercise helps regulate hormones and reduce cyst risk.

Managing underlying conditions like PCOS through medication and lifestyle modifications prevents cyst complications. Women with endometriosis require specialised care to minimise endometrioma development. Understanding your menstrual cycle and reporting irregularities promptly allows for early intervention when cysts do develop.

Frequently Asked Questions (FAQ)

Can ovarian cysts affect my fertility?

Most ovarian cysts don’t impact fertility, especially functional cysts that resolve naturally. Endometriomas and PCOS-related cysts can affect egg quality and ovulation. Surgical removal of cysts may temporarily affect ovarian reserve, but careful surgical techniques are used to minimise the risk. Our Gynaecologist will discuss fertility considerations and options if you’re planning pregnancy. Conception is often possible after appropriate cyst treatment.

How can I tell the difference between ovarian cyst pain and menstrual cramps?

Ovarian cyst pain typically occurs on one side of the pelvis and may be constant or intermittent. Unlike menstrual cramps that coincide with periods, cyst pain can occur anytime during your cycle. The pain may worsen with physical activity or intercourse. Cyst pain often feels sharper or more localised than the general cramping of menstruation. Any persistent or severe pelvic pain warrants medical evaluation.

Will I need surgery for my ovarian cyst?

Most ovarian cysts don’t require surgery. Functional cysts often resolve within 2-3 months with monitoring. Surgery is considered for large cysts( 5-10cm or more), those causing severe symptoms, or cysts with suspicious features on imaging. Your age, fertility plans, and cyst characteristics help guide management. Our Gynaecologist will thoroughly explain all options and recommend the appropriate approach for your situation.

Can ovarian cysts become cancerous?

Most ovarian cysts are benign, especially in premenopausal women. Functional cysts and many common cysts types carry little to no cancer risk. Complex cysts with solid components or those in postmenopausal women may require closer evaluation. Regular monitoring and testing help identify cysts that need further investigation.

How long is the recovery after laparoscopic cyst removal?

Laparoscopic cystectomy typically involves 1-2 days of hospitalisation followed by 1-2 weeks of recovery at home. Most patients return to light activities within a week and normal activities within 3-4 weeks. Recovery varies based on cyst size, surgical complexity, and individual healing. Our team will provide detailed post-operative instructions and support throughout your recovery. Follow-up appointments ensure proper healing and address any concerns.

Can ovarian cysts come back after treatment?

Recurrence depends on the cyst type and underlying conditions. Functional cysts may recur until menopause unless prevented with hormonal treatment. Endometriomas can recur without ongoing management, while dermoid cysts rarely recur after complete removal. Regular follow-up care helps detect and manage any new cysts early.

Conclusion

Ovarian cysts are common and can be concerning, but understanding the condition helps you make informed decisions about your care. Many cysts resolve naturally or can be managed with medical monitoring, while others may require surgical treatment. Early evaluation helps identify cysts that need attention and supports reproductive health. A range of treatment approaches, from observation to minimally invasive surgery, is available depending on your cyst type, symptoms, and individual circumstances.

Irregular periods or abdominal discomfort may indicate an ovarian cyst.

Schedule a consultation for professional assessment and personalised guidance on management options.

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Dr. Harvard Lin

Obstetrician & Gynaecologist

MBBS (SG)|MRCOG (UK)|MMed (OBGYN) (SG)

Dr. Harvard Lin is renowned for his expertise in female pelvic medicine and reconstructive surgery.

Dr. Lin’s journey in medicine began at the prestigious National University of Singapore, where he earned his Bachelor of Medicine and Bachelor of Surgery (MBBS). His commitment to excellence led him to further his education by becoming a Member of the Royal College of Obstetricians and Gynaecologists (MRCOG) through the Royal College of Obstetricians and Gynaecologists in the United Kingdom. He also holds a Master of Medicine (Obstetrics and Gynaecology) from the National University of Singapore.

As the Chief Coordinator of Gynaecologic Services at the National University Health System (NUHS), Dr. Lin plays a pivotal role in ensuring the highest quality care for women’s health. His leadership is also evident in his position as the Deputy Clinical Director of Obstetrics and Gynaecology at NUHS, where he contributes to shaping gynaecologic practices and growth across the cluster including Ng Teng Fong Hospital, Alexandra Hospital and Jurong Medical Centre.

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