Is there possibility that young bald men cannot make his partner pregnant?

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I heard my mom often raised a question if their is possibility that bald men in their early 20's cannot make woman pregnant. She's claiming that several of his men friends, classmates and even few of our families who are bald in their young age did not have a child of their own. From then i try to make my own observation. Indeed, few of them were true. My aunt married twelve years ago with a bald husband in late twenties and they don't have a child of their own until now. One also of my friends bald uncle do not have a child. And so as our neighbor who were married for six years. And mom keep mentioning names when i asked about this and few of them i actually knew. Do you think their is scientific explanation for this? Can this be true?