Question

How long does it take for sperm to mature? Are sperm constantly being created by the body?

Answer 1

Most definitely, fertilisation is because you've never ejaculated in a time. Constant regeneration of sperm occupies fresh sperm with the epididymis. In a single ejaculation, the more they stack up, the greater your sperm count. To help the sperm migrate into the female body for fertilisation, a mature sperm has a head that includes genetic material as well as a tail.

Complete answer:
The full period of sperm formation and maturation is spermatogenesis. It continuously provides the body with semen that can fly to an unfertilized ovum in the ovaries of a woman to conceive via the vagina.
In spermatogenesis, the testicles constantly produce new sperm. It takes about $64$ days for the complete process.
The testicles produce several million sperm per day during spermatogenesis, around $1,500$each second. You will recycle up to $8$ billion sperm at the end of a total sperm development period.
This may sound like overkill, but in a single millilitre of semen a man produces in between $20$ to $300$ million sperm cells.
To guarantee there is a fresh supply for conception, the body retains a surplus.
Every day a man produces sperm, but it takes around $64$days for a complete sperm regeneration period (spermatogenesis).

Note: It is also necessary to remember that sperm production can be affected by too much heat on it or around the testicles. Hot pools, hot tubs, and long trips to the sauna or steam room will negatively impact sperm numbers and efficiency.
When taking medicine for the treatment of low testosterone, men should still be under the supervision of a specialist.