Dragonfly in Amber (Outlander, #2)

by Diana Gabaldon

wondered whether perhaps babies had no gender—physical characteristics aside—until birth, when the act of exposure to the outside world set them forever as one or the other.

But I had come back from the dead. Only Jamie’s hold on my body had been strong enough to pull me back from that final barrier, and Master Raymond had known it. I knew that only Jamie himself could pull me back the rest of the way, into the land of the living. That was why I had run from him, done all I could to keep him away, to make sure he would never come near me again.