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PHILADELPHIA (CBS) — Here’s a March Madness fact you may have not known about. Some men apparently schedule a special surgery before the tournament so they can spend their recovery time watching the games. Doctors say there seems to be a spike in vasectomies this time of year. March has become Vas Madness.

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Men are scheduling vasectomies to spend quality time on their couches to watch basketball.

“We’ve seen a 30 percent increase at Penn with men getting vasectomies,” Dr. Puneet Masson, of Penn Medicine, said. “The only thing we can think of is we have this highly-televised event in the month of March.”

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Dr. Masson is the director of Male Reproductive Medicine and Surgery at the University of Penn. He performed double-digit vasectomies on Friday alone.

“My first patient today signed up for a vasectomy last July,” Dr. Masson said. “And there are also people who signed up this week to get it done this day specifically.”

It’s become a minimally invasive surgery — 15 to 20 minutes and out the door, followed by 36 to 48 hours of icing the affected area and minimal movement.

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So, more madness.

“They’re like, ‘This is exactly why I want to get it done in the morning, so I can be home by noon for when the games start.’ I don’t know how my bracket is doing but we joke about that as well,” Dr. Masson said.

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Dr. Masson is happy men are having discussions about their reproductive health.