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You are only 17 and have a few more years to wait before your body is best suitable to carry a baby, ideally it would be best for both you and your baby to wait for a couple of years.In the meantime you should consult a gynaecologist who wil start treatment for pcos
after thoroughly examining and investigating you. The treatment methods are different for each person depending on the hormonal
status ranging from hormone injections to ovulation inducing agents like clomiphene
Hope I have answered your query.