The most known and widely used male contraceptives are the famous condoms and vasectomy. Some male contraceptives are irreversible like vasectomy. Once it is performed it is permanent. The MRU and MPU are male contraceptives that block the vas deference. The vas deference is the tube that transports or relays sperms from one medium to another. This tube is blocked such that sperms will no longer be able to join the urethra during ejaculation. No sperms will be released during sexual intercourse but the blocking of the vas deference is reversible. It is only a slight or a small section of the vas deference that is usually blocked. A man's fertility is able to return once and is known to have minimal side effects.
Another male contraceptive is the adherin. Adhering is also among male contraceptives that interferes with sperm formation in the testes. It inhibits the way cells in the testes work towards the development of mature sperms. Adherin has minimal or no side effects even after tests performed on rats indicated that the introduction of adherin led to a very low sperm count. It is a contraceptive that is still under investigation and it will be in the market soon. Once the normal development of the sperm is interfered with, the male can no longer be able to release sperms with a capacity of fertilizing an egg. The man is no longer fertile but do not feel scared because it is only temporary. Once this contraceptive is withdrawn fertility returns to normal within a period of 3-4 months.
Another formula that is used as a male contraceptive is by blocking the development of sperms without any alteration of the testerone levels in the body. Controlling hormonal changes would adversely affect some body functions in a person. The contraceptive ought to be user friendly with minimal or no side effects. This is the reason why all these male contraceptives are still research projects. They have not yet been formally introduced into the mainstream market. Apart from vasectomy and condoms all the rest of male contraceptives are still on trial. Blocking the development of sperms is either achieved through the introduction of an injectable drug into the body. Sometimes it can be a direct ingestion of a contraceptive.
The androgen-progestine is the most recent invention among male contraceptives. But do no start smiling yet because like the rest of the contraceptives it is still on trial. It might have to wait for several years before you officially see it in the market. Androgen-progesterone is intended at control those hormones and chemical change in the body that aid in sperm development. Their is a risk of having terrible side effects of toxic accumulation of harmful substances in the body. A trial done on rats however did not show any toxic deposits from the contraceptive. Apart from this risk, hormonal alterations in the body will interfere with normal body functions. The contraceptive is being further researched on to overcome such challenges.
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