A new study by scientists at the University of Cambridge claims teenage sperm is genetically weak, but is the claim credible?.
If boys ejaculate in the vagina of a fertile girl/woman, that boy might become a father. Does it affect your body negatively if you release sperm at age 13? What happen when teenage boys ejaculate his semen many times a day?.
Guys start producing spermatozoa (or sperm, for short) at the onset of puberty. Puberty starts at different times for different people. Boys usually.