PCO or PCOS?

Poly cystic ovaries (PCO) are ovaries that by ultrasonography appear with more follicles or stroma than average ovaries. The definition is as follows:

 

Poly cystic ovarian syndrome (PCOS)
The difference between PCO and PCOS is:

Diagnosis
PCO is as mentioned a transvaginally ultrasound diagnosis. Eventual endocrine disorders should be excluded, such as hyper prolactinaemia and thyroid disease. One may measure FSH, LH; estradiol, progesterone and androgen stat Or clinic has been specialised I the treatment of women with PCO / PCOS since transvaginally ultrasonography was introduced in mid 1980's