You may have an ovarian cyst if you notice pelvic pain, bloating, lower abdominal pressure, pain during sex, or changes in your periods. Many ovarian cysts cause no symptoms at all, which is why an ultrasound scan often plays a key role in diagnosis.
An ovarian cyst is a fluid-filled or tissue-filled sac that develops on or inside an ovary. Ovarian cysts are common, especially before the menopause. Many are harmless and resolve without treatment, but some cause symptoms, grow larger, or need follow-up imaging. The next step is to understand which symptoms a cyst can cause and when those symptoms require medical attention.
What are the most common symptoms of ovarian cysts?
The most common symptoms are pelvic pain, bloating, and a feeling of pressure in your lower abdomen. Symptoms vary by cyst size, type, and whether the cyst causes complications such as rupture or torsion.
What does ovarian cyst pain feel like?
Ovarian cyst pain often feels like a dull ache or a sharp pain on one side of your lower abdomen. The pain may come and go, or it may become more noticeable around your period, after exercise, or during sex.
Some people describe a heavy feeling in the pelvis rather than pain. A larger cyst can press on nearby organs and create pressure rather than a stabbing sensation.
Can ovarian cysts cause bloating?
Yes. Ovarian cysts can cause bloating or a swollen feeling in the lower tummy. This symptom is more common when a cyst is larger or when it creates pressure inside the pelvis.
Bloating from a cyst often feels persistent rather than occasional. Your clothes may feel tighter around the lower abdomen, or you may notice fullness after eating small amounts.
Can ovarian cysts affect your periods?
Yes. Some ovarian cysts can cause changes in your menstrual cycle, including heavier bleeding, irregular bleeding, or more painful periods. Functional cysts, which develop during the menstrual cycle, are the most common reason for these changes.
Period changes do not always mean you have a cyst. Fibroids, endometriosis, hormonal changes, and other conditions can also affect bleeding patterns. That is why a scan helps clarify the cause.
Can ovarian cysts cause bladder or bowel symptoms?
Yes. A larger cyst can press on the bladder or bowel and cause symptoms such as needing to urinate more often, feeling your bladder does not empty fully, or feeling pressure when opening your bowels.
Here is a simple symptom guide:
Many people then ask an important question: can you still have an ovarian cyst even if you feel normal?
Can you have an ovarian cyst without symptoms?
Yes. Many ovarian cysts cause no symptoms and are found by chance during a pelvic ultrasound or an abdominal scan done for another reason. Small, simple cysts often do not cause pain or visible swelling.
This is common with functional cysts, which can form and resolve as part of the menstrual cycle. A lack of symptoms does not confirm that a cyst is harmless, but it does explain why imaging is often the first clear sign that a cyst is present. From here, it helps to know when symptoms become urgent.
When should you worry about ovarian cyst symptoms?
You should seek urgent medical help if you develop sudden,n severe pelvic pain, especially if it starts quickly and comes with nausea, vomiting, dizziness, fainting, fever, or sudden abdominal swelling. These symptoms can point to a ruptured cyst or ovarian torsion.
Ovarian torsion happens when the ovary twists and its blood supply is cut off. This is a medical emergency. A ruptured cyst can also cause sudden pain and, in some cases, internal bleeding.
Red-flag symptoms include:
- sudden severe lower abdominal or pelvic pain
- pain with vomiting
- fainting, dizziness, or marked weakness
- fever
- rapid swelling or severe tenderness
Milder but persistent symptoms still deserve medical review. Ongoing bloating, repeated one-sided pelvic pain, and lasting changes in your periods should not be ignored. The next question is how a clinician confirms whether a cyst is present.
How are ovarian cysts diagnosed?
Ovarian cysts are usually diagnosed through symptom review, clinical assessment, and ultrasound imaging. Your doctor or clinician starts by asking about your pain, periods, bloating, urinary symptoms, and any history of cysts, endometriosis, or fertility concerns.
A physical examination may help identify pelvic tenderness or fullness. The main imaging test is an ultrasound. Ultrasound shows whether a cyst is present and helps describe its size, shape, and contents.
Which scan shows an ovarian cyst?
A pelvic ultrasound is the main scan used to detect an ovarian cyst. An abdominal ultrasound can form part of the assessment, particularly when symptoms involve the lower abdomen or when a broader abdominal review is needed.
A transvaginal ultrasound often gives a clearer view of the ovaries because the probe sits closer to the pelvic organs. The scan report may describe the cyst as simple, complex, haemorrhagic, dermoid, or consistent with an endometrioma.
At RAD Clinics, imaging may help clarify whether your symptoms match an ovarian cyst and whether you need follow-up or specialist review. Imaging does not work in isolation. The scan findings must match your symptoms and medical history. After diagnosis, many people want to know what type of cyst they may have.
What types of ovarian cysts are most common?
The most common types are functional cysts, dermoid cysts, cystadenomas, and endometriomas.
Functional cysts develop during the menstrual cycle. These include follicular cysts and corpus luteum cysts. They are common and often resolve on their own.
Dermoid cysts contain different tissue types and are usually benign. Cystadenomas develop from the ovarian surface and can become large. Endometriomas are linked with endometriosis and may occur with pelvic pain, painful periods, or fertility concerns.
The type of cyst influences what happens next, which leads to the practical question of treatment and follow-up.
What happens if a scan finds an ovarian cyst?
Management depends on the cyst’s size, appearance, your symptoms, and whether you are premenopausal or postmenopausal. Many simple cysts only need monitoring, especially if they are small and not causing symptoms.
A clinician may recommend:
- watchful waiting
- a repeat ultrasound after a set interval
- referral to a gynaecologist
- blood tests in selected cases
- surgery if the cyst is large, persistent, painful, or suspicious
Complex cysts usually need closer review than simple cysts. In postmenopausal patients, even smaller cysts may need more careful assessment because the risk profile changes with age. This brings the article to the most practical step for many readers: when to arrange a scan.
When should you book a scan for possible ovarian cysts?
Book a scan if you have ongoing pelvic pain, persistent bloating, lower abdominal pressure, repeated pain on one side, pain during sex, or unexplained changes in your periods. Imaging can help identify whether an ovarian cyst is present and whether it looks simple or complex.
A scan can also help when symptoms are vague but keep returning. If you want clarity on lower abdominal or pelvic symptoms, RAD Clinics offers imaging pathways that can support the next clinical decision, including assessment through abdominal and pelvic ultrasound, where appropriate.
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