Skip navigation! Story from Sex. Yes, "Growers Vs. It may surprise you to learn that there have been actual studies devoted to figuring this out. First, keep in mind that all penises are bigger when erect. If there's a big difference, they're a grower. If there's a small difference, they're a shower. To find out the reality of growers v. Predictors of change in penile length from the flaccid to erect state. They found that the median change in penis length from flaccid to erect was 4.

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For many men, penis size is important, as it represents their masculinity and virility. Sometimes, the terms grower and shower are used to describe what happens to a penis length as it goes from a flaccid to an erect state. These terms are subjective. However, in a study, researchers suggested a guideline to distinguish growers from showers and considered factors that might determine which category a man belongs to. The study involved men who were being treated for erectile dysfunction ED. All of the men had their penis measured in three states: flaccid, stretched, and erect. The men also underwent Doppler ultrasound and answered questions about their health and relationship status. The researchers calculated the differences between erect and flaccid lengths for all the men. The median measurement the middle value was 4 centimeters cm — just over an inch and a half. Going forward, this 4 cm measurement was used to distinguish growers from showers.
Is it just genetics?
Using penile duplex Doppler ultrasound PDDU , the researchers measured penis length while in the flaccid state. They went on to inject a vasodilation substance into the spongy penis tissues before measuring the length while erect. Researchers found an average change in size from flaccid to erect across all the participants, shower or grower, of about 4 centimeters 1. Does your penis grow more than 1. Less than 1.
Remember when you were a kid -- or last night at the bar, whatever -- and you scrunched down a straw wrapper, dropped water on it, and watched in amazement as it grew almost four times its original length? How did that tiny little thing just up and become huge in a matter of seconds? If this sounds extremely similar to a penis, good.