PCOS (Polycystic ovarian syndrome) is caused by a number of different causes, including:

What are the signs and symptoms of PCOS?

Excessive hair, especially on the chest, abdomen and back (hirsutism)

Periods that are missed, irregular, or very mild

Excessive hair, especially on the chest, abdomen and back (hirsutism)

Male hormones can cause rashes on the face, chest and upper back by causing the skin to be oily than usual.

Some women experience headaches as a result of hormonal changes.

Black spots on the skin may appear in the folds of the body, such as the neck, abdomen and under the breasts.

PCOS affects up to 80% of women who are overweight or obese.