Humans and Kryptonians are biologically incompatible, but an Amazon and Kryptonian? She hasn't ever thought about it because it means thinking about Diana and Kal in that way. She's certain Diana has dispelled those unfounded rumors back home, often with a hearty laugh at the idea. It's always been Lois and Clark, no matter what universe they are from.

Well... not Eiko's apparently.

"Her name's Eiko," she shakes her head. "Eiko isn't Kryptonian or Amazonian... it's Japanese. She's... Japanese."