At that hearing, Lord Justice Ward described the marriage as a "travesty" and said that many people would find it quite astonishing that in 17 years of life together Mrs C did not realise she was living with a woman.
That all fine, but before that it states this.

He concealed his true gender from her for 17 years, using a home-made part of the anatomy for sex
How could you not note that!, I mean come on, for 17 years you never caught on that?

The judges explained that the issue of when, how and from whom the two children were to learn the truth about their origins remained highly sensitive. The mother, now remarried, has agreed to take advice from a consultant psychiatrist before explaining their background to them.
No shit, Those kids are going to be fucked once they hear this.