I think I can shed a little light on this.
As a child, my mom was part in a church called, "Church of Christ" (not to be confused with CoCLDS).
The way they saw it, if your child was not born "normal", then it went that the parents where sinnfull.
So by that thinking, just the fact I have Albinism, my parents where " sinners". As far as being Intersexed, I have no idea and stay away from churches.