Polycystic Ovary Syndrome May Be an Autoimmune Disorder

Table 1

Frequency of different clinical features of PCOS.

Clinical signs and symptoms of PCOS	Frequencies
Oligomenorrhea	80–90% [28, 29]
Amenorrhea	30–40% [29]
	10–75% [30]
Hypergonadism	70% [31]
Polycystic ovaries	90% [32]
Hirsutism	50% [33]
	70% [31]
Acne	15%–30% [34]
Alopecia	<10% [35, 36]
Infertility	40% [37]
Overweight/obese	30%–70% [38]

The majority of PCOS patients were overweight (BMI = 25 and <30 kg/m²) to obese (BMI = 30 kg/m²), although one-third were of normal weight or even underweight.