There has been little considered reflection by Catholic theologians on the concepts of gender identity, gender dysphoria and gender transition. Seeking inspiration in the Scriptures, some Catholic thinkers have interpreted the first three chapters of Genesis and especially the text ‘male and female he created them’ (Gen. 1:27) as requiring all human beings to live in the gender role congruent with their biological sex, and have viewed the biology of sex as self-evident. This article argues that these chapters constitute an appropriate locus for reflection on theological anthropology but that they need to be taken together with other texts and especially with the explicit teaching of Jesus Christ. In the Gospel according to Matthew, the one occasion in which Jesus invokes this passage from Genesis is when he draws attention to exceptional examples in nature and, in a striking phrase, states that some ‘have made themselves eunuchs for the sake of the kingdom of heaven’ (Matt. 19:12). If the Genesis text is interpreted in the light of the words of Christ, the binary division of the sexes, while ordained by God and the basis for a vocation to marry and procreate, admits of exceptions both natural and supernatural.

中文翻译：

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圣经中的性别认同：不可分割的婚姻和特殊的太监

天主教神学家对性别认同、性别不安和性别转变的概念几乎没有深思熟虑。一些天主教思想家从圣经中寻求启示，将创世记的前三章，尤其是“他创造了男女”（创世记 1:27）解释为要求所有人生活在与他们的性别相一致的性别角色中。生物性别，并认为性的生物学是不言而喻的。本文认为，这些章节构成了反思神学人类学的合适场所，但需要将它们与其他文本，尤其是耶稣基督的明确教导结合起来。在马太福音中，耶稣引用创世记中这段话的一个场合是他提请注意自然界中的特殊例子，并用一个醒目的短语说有些人“为天国的缘故自立太监”（马太福音 19： 12)。如果根据基督的话来解释创世记文本，两性的二元划分虽然是上帝所命定的，也是婚姻和生育圣召的基础，但也承认自然和超自然的例外。