New Delhi, Feb. 23 -- PCOS and endometriosis are two of the most common reproductive disorders in women that are caused by hormonal imbalance and can lead to infertility, but the two conditions affect the female reproductive organs differently and it's important to understand the difference in their symptoms. In endometriosis, tissues similar to the lining of the uterus grow outside the uterus while PCOS is a hormonal disorder causing enlarged ovaries with small cysts on the outer edges. PCOS primarily affects the ovaries and is linked to excess androgens, commonly considered male hormones. Endometriosis is associated with higher levels of the female hormone oestrogen. It can affect the ovaries, the uterus, and other organs in the lower a...