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What age does PCOS start?

The Signs and Symptoms of PCOS

Polycystic ovary syndrome, more commonly known as PCOS, is a common condition affecting people with ovaries. Due to the varying symptoms, PCOS may often not be the first condition that comes to mind, therefore it’s helpful to understand the collection of symptoms you may be displaying. The symptoms can include:

• Irregular or no periods

• Difficulty getting pregnant

• Excessive hair growth (hirsutism) on the body and face

• Weight gain

• Thinning hair and loss of from the head

• Oily skin or acne

It’s important to note, that you may only experience some of the above, and the severity of each symptom can vary from person to person. If you believe you’re displaying the above symptoms, it’s important to visit a healthcare professional to help rule out any other conditions and also get a diagnosis.

a group of teenage girls having fun

Diagnosing PCOS

Whilst the above symptoms are signs you may be suffering from the condition, they are not the sole determinant for a diagnosis. To be diagnosed a healthcare professional will assess whether you display 2 out 3 of the main features of PCOS:

• Irregular periods

• Excess androgens

• Polycystic ovaries

What age will I be if I get PCOS?

If and when you develop PCOS will be different for every person. Between 5% and 10% of people between the age of 15 to 44, or during childbearing years, have PCOS. However, most people find out they have PCOS in their 20s and 30s, this can often be driven by a diagnosis following difficulty getting pregnant.

Although the above outlines when an individual is most likely to develop or find out they have PCOS it does not mean you may not develop the condition earlier, as PCOS can happen at any age after puberty.


  1. NHS, 2019

  2. Trivax and Azziz, 2007

  3. Bremer, 2010

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