Vasectomy is not as predictable as we thought. Turns out 20 ejaculations isn’t necessarily enough to remove all sperm. And the number I had learned was nine, so I think there are a lot of failed vasectomies out there…

Vasectomy is not as predictable as we thought. Turns out 20 ejaculations isn’t necessarily enough to remove all sperm. And the number I had learned was nine, so I think there are a lot of failed vasectomies out there…

Vasectomy is not as predictable as we thought. Turns out 20 ejaculations isn’t necessarily enough to remove all sperm. And the number I had learned was nine, so I think there are a lot of failed vasectomies out there…