Ovarian cysts
Cystis ovarii · Cysty vaječníku
female only
What it is
Fluid sacs on the ovary — mostly harmless follicles that vanish within a few cycles; some twist, burst or are tumours.
Symptoms & signs
- Often none
- dull pelvic ache on one side
- bloating
- pain during sex
- sudden severe pain with vomiting (twisting or rupture)
🚩 Get help if…
- call 112 / 911 now Sudden severe pain low in the belly, with vomiting or fainting
- call 112 / 911 now Belly pain with fever and a fast pulse
- see a doctor soon Bloating most days, feeling full fast or passing urine often
- see a doctor soon A cyst after the menopause
Where it strikes
Medical treatment
- Ultrasound, repeated in 6–12 weeks
- CA-125 after menopause
- laparoscopic cystectomy for large, persistent or suspicious cysts
- emergency surgery for torsion
Natural & lifestyle
- Pain relief and heat
- track symptoms against the cycle
- keep the follow-up scans
Emerging & experimental
- AI scoring of ultrasound (IOTA, O-RADS)
- refined fertility-sparing surgery
Alternative, off-label & anecdotal
Approaches used outside the guidelines, with what their supporters report and what testing has found so far.
- The combined pill to shrink existing cysts — tested (Cochrane): they go no faster not confirmed in trials
- Castor oil packs — traditional naturopathy; untested anecdotal / traditional
- Wild yam and 'natural progesterone' creams — no hormone the body can use; untested anecdotal / traditional
ICD codes
- ICD-10 N83.2
- ICD-11 GA18.6 Other or unspecified ovarian cysts