Your symptoms looks like due to hormonal
imbalance. However, at this age try to avoid hormone treatment since it may cause long term side effects. Instead of that try some good home remedies
that are safe and natural. Take proper nutritional diet rich in Calcium and Vitamin D. In addition you can take Calcium and Vit D supplements. Some useful home remedies will be:
Beet root juice: 60 ml - 90 ml, thrice a day.
Liquorice: One tablespoon powder daily.
If you can get Ayurvedic medicines in your country, then take: Kamdudha Ras (2 tablets thrice a day) + Sutshekhar ras (2 tablets thrice a day) - continue for 2 months. You will get relief.