Figure 1

Kaplan Meier curve of testosterone replacement therapy given to fathers treated with donated sperm as compared to spontaneously conceiving fathers. Red line denotes fatherhood with donated spermatozoa, blue line—control group.

Kaplan Meier curve of testosterone replacement therapy given to fathers treated with donated sperm as compared to spontaneously conceiving fathers. Red line denotes fatherhood with donated spermatozoa, blue line—control group.