Can I develop feminine breasts naturally without surgery?

FMGA surgery DOES NOT allow for biological pregnancy.. 

Biologically a female aged 23 cannot be totally changed to a male by surgery. The fact remains that sex is defined by chromosomes. On the other hand, some transgender individuals might refer to surgeries in this area to alter their looks. Whoever is struggling with the gender issue, should get the consultation of a counselor who focuses on the theme of gender identity to reflect and discuss their feelings and the possibilities of their solution.

Usually, top surgery is suggested when you are 18 or above the age of 18. But you can get top surgery at 16 if you have your parents approval and after consulting with a qualified doctor. 

Starting the Opill birth control for breast enlargement can be risky. Use of birth control pills for a long time can cause problems such as high chances of blood clots, weight change, and emotional state. The hormone progestin in the pill can affect my levels of hormones. There are also claims that birth control pills made of progestin can affect the production of hormones. Consult your healthcare provider to make a safe decision and avoid risking negative consequences. 

It is usually not recommended to get top surgery at 13. One should atleast be 18 years of age to get top surgery. 

If you don't take testosterone or undergo top surgery, you can still build your pecs by lifting weights. Pecs, short for pectoral muscles, can grow with exercises like chest presses and push-ups, which target these muscles. Pace yourself, use the correct form, and be consistent with your workouts. Your pecs can still develop even without testosterone.

Transformation goes through various stages that cover the emotional, physical, and social parts of it. Initially, try communicating with a gender counselor to help you out. The gender counselor will be able to provide you with support and guidance that is specific to your journey. Hormone therapy is also needed as part of transitioning to bring the body and the gender one identifies with in accordance. Also, surgery talk with a qualified surgeon may very well be one of the resting centers that you would find of great interest. The point of this is that the transition process is both personal and different to each of us. To begin with, help groups in the community are also a good resource. It is important to first and foremost seek the advice of health professionals before making a decision so that we can assure ourselves of our safety and that we are well-informed.