"Another kid?" Sirius nodded, still entranced by Remus’ palm. "Personally, yeah. I would have liked to have had more. Teddy was a... surprise, I guess is the nice way to put it. Tonks didn’t think they could get pregnant on testosterone, and I just never questioned that. You can, by the way. Tonks was only on a small dosage, but it apparently doesn’t matter how much you’re taking. You can still get pregnant.