It is one of the common conditions affecting adolescent girls.
It is difficult to diagnose PCOS in adolescent girls, as normal adolescent girls can also have the same symptoms as PCOS due immature hormonal axis.
The endocrinologist will take a detailed history, examine your daughter, order blood test and then decide if she really has PCOS or not.
PCOS can be managed well with medications, without affecting her future reproductive cycle or any difficulty in pregnancy.