Figure 2

Sperm counts for the 3 participants with vasectomy failure. The pattern for Participant 1 is consistent with technical failure, while those of Participants 2 and 3 suggest early recanalization.
Sperm counts for the 3 participants with vasectomy failure. The pattern for Participant 1 is consistent with technical failure, while those of Participants 2 and 3 suggest early recanalization.