If the individual does not identify strictly as a woman. Contextual Usage
Always use "transgender women" or "transgender youth." lady boys teen
If you are looking for a more formal, respectful, or "proper" way to describe this identity, here are better alternatives depending on the context: More Respectful/Formal Terms If the individual does not identify strictly as a woman
Specifically for a young person or teenager. lady boys teen
It is best to follow the lead of how an individual refers to themselves. Many people in the Western LGBTQ+ community find "ladyboy" to be a slur or an outdated trope from the sex industry.