Don't worry! It is not a problem with having a testicle if you are healthy, it is not necessary to have any adverse effect on sex life or reproductive health. Please also read:
https://lovematters.in/hi/resource/testicles-and-more
https://lovematters.in/hi/our-bodies/male-body/monorchism-top-five-facts-about-the-missing-ball
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Don't worry! It is not a…