Male infertility is male's inability to make fertile female pregnancy. Similar to women, men's fertility decrease with increase in age. Fertility of male is directly related to quality and quantity of sperm. According to research, about 5% male population in the world has some sort of fertility problem with low number of sperm and the percentage is increasing daily due to the lifestyle obtained in our society. Many women are discarded or rejected from a normal society due to inability to bear a child, but the main culpit may be man too. A man can seem normal but can be infertile. Normally personal physique doesn't necessary determine it's fertility. Even though a male look healthy, he may be infertile. The main way to determine fertility of a male is by diagnosis of sperm.
Infertility is a couple's problem; without diagnosis of both the partner one cannot reach to the conclusion. Infertility in male may be sign of other different sexual problem in male such as testosteone deficiency or coexisting testicular cancer.
Diagnosis of male infertility requires complete medical history and examination of male along with the analysis of sperm, semen and movement of sperm. Blood check is also done to determine the level of hormones for sperm production.
About 12-15% of infertility in men is treatable, after which they can bear child normally. Doctor also recommend ART (assisted reproductive technologies such as IVF. ART doesn't cure infertility but helps to achieve pregnancy. PESA (Percutaneous Epididymal Sperm Aspiration) and TESA (Testicular Sperm Aspiration) can also be used to obtain pregnancy, when sperm ejaculation is absent or low. PESA involves passing needle into epididymis to obtain sperm where as TESA involves passing needle into the testis to obtain seminiferous tubules(a location in testes, where spermatozoa is created).