"What? No-" Senku sighed a little bit. "It would be reckless, but that's not what I meant. There's more to the reproductive cycle than just pregnancy. It's a cycle that involves a great deal of hormones which could be tracked in your blood, and you could see how your reproductive organs work with something like ultrasound." He explained.

"Far safer options rather than bringing a child into the world for the sake of proving a theory." Senku was willing to do a lot of things, but that wasn't one of them.

"I'm not sure what those things would have to do with anything we as people here are doing. The laws of nature tend not to bend to man."