Transgender women, or individuals assigned male at birth who identify as women, may develop breasts through the use of hormone replacement therapy (HRT) and/or through surgical intervention, such as breast augmentation.

1. Hormone Replacement Therapy (HRT): Transgender women often undergo HRT as part of their transition. This usually involves taking estrogen and anti-androgens. Estrogen is the hormone responsible for developing and maintaining female secondary sexual characteristics, including the growth of breasts. Anti-androgens decrease the amount of testosterone in the body, which helps to create a more typically feminine appearance overall. It’s important to note that the effects of hormones can vary greatly from person to person, and not all transgender women will develop large breasts with hormones alone.
2. Breast Augmentation Surgery: For transgender women who desire larger breasts than can be achieved through hormones alone, breast augmentation surgery may be an option. This procedure involves inserting implants (usually silicone or saline) into the breasts to increase their size.

It’s crucial to consult with a healthcare provider before beginning any sort of medical transition. Both HRT and surgical procedures carry risks and should be discussed thoroughly with a knowledgeable professional.

Remember, not all transgender women choose or are able to have HRT or surgery, and their identities are valid regardless of their physical appearance or medical decisions.

As always, the information available may have evolved after my last training data in September 2021. Always consult with healthcare professionals to get the most recent and relevant information.