sex identity

例句：

1. 1. Many people struggle with their sex identity as they grow up.
   随着成长，许多人在性别认同方面感到挣扎。
2. 2.The issue of gender identity is still a topic of debate in many societies.
   性别认同问题仍然是许多社会辩论的焦点。
3. 3.The young girl's gender identity was confirmed through her medical tests.
   这个年轻女孩的性别认同通过医学测试得到了确认。