Breast cysts are primarily caused by normal hormonal fluctuations that occur during a woman's menstrual cycle. This hormonal activity is the main reason why they are most common in women of child-bearing age. A small number of breast cysts do occur in post-menopausal women, but these are less frequent.
Here's a breakdown:
How Hormones Impact Breast Cysts
The menstrual cycle involves varying levels of hormones like estrogen and progesterone. These hormonal shifts can stimulate breast tissue, leading to:
- Fluid accumulation within the breast ducts.
- Formation of a sac-like structure, which we know as a cyst.
- The cyst can contain fluid, which can feel either smooth or hard under the skin.
Key Factors
While hormonal changes are the primary cause, other factors might influence breast cysts:
- Age: As mentioned, cysts are more common in women who are still having their menstrual cycle.
- Hormone Therapy: Women undergoing hormone replacement therapy can also be prone to cysts.
When to See a Doctor
Although most breast cysts are benign, it's crucial to consult a doctor if you:
- Notice a new lump in your breast.
- Experience breast pain or tenderness.
- Have any concerns or changes in your breasts.
| Factor | Effect on Breast Cysts |
|---|---|
| Hormonal Fluctuations | Main cause, linked to the menstrual cycle. |
| Age | More common in women of child-bearing age. Less common in post-menopausal women. |
| Hormone Therapy | Can increase the likelihood of cyst development. |
