When does an adolescent become sexually mature? A sign that a girl has reached sexual maturity is when she is having regular monthly periods. For a boy, a sign that he has reached sexual maturity is when he begins having ejaculations.
Erections of his penis are occurrences that can happen even when he is baby. He is familiar with them and has probably also been surprised by a spontaneous erection at inconvenient times as he enters puberty.
An ejaculation is something very different. During an ejaculation there is a release of semen from the end of the erect penis. The semen is formed of two parts, fluid and sperm.
- The fluid part of the semen is provided by both the seminal vesicles and the prostate gland located inside the pelvic cavity.
- Sperm are produced in the testicles and travel inside a long tube called the vas deferens toward the penis.
- Orgasm causes tiny muscles to contract in the tube system and around the glands to force the sperm and fluids together at the beginning of the penis forming semen.
- Semen flows within the urethra inside the penis to an opening at the end of the penis and is ejected out during the ejaculation.
It would be helpful for your son to understand this process before he experiences his first ejaculation. If your son is in that 11+ years age group, now is the time to give him resources to explain ejaculations and help him realize this is a normal experience for boys his age.
For many boys, the first ejaculation might happen during the night. These ejaculations are called wet dreams or nocturnal emissions. Your son might wake up to wet bed linens and wondering what has happened. Wet dreams are also normal occurrences.
Although it can be a little difficult to engage boys in this age group about their body, especially their reproductive system, it is certainly worth a try.
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