The elderly is the major cause of infertility in Mexico and the United States. However, it is one of the most easily treated infertility. In couples above 35 years of age are advised to seek help from a specialist in infertility after 6 months of pregnancy try at home.
Female Age
For women, infertility on age is the result of the decline in "ovarian reserve". Women are born with a finite number of eggs which are not reproduced and condition that the older the quantity and quality of these ova is not optimal. Ovulation monthly reduces ovarian reserve. By the time a woman is between 50 and 60 years, of course she will have exhausted all their eggs (also known as menopause). Aging can also affect the quality of the eggs of a woman. The ova are some of the oldest cells of the female body. Consequently, the decrease in quality condition for being old cells.
 
Men's Age
Men on the other hand are able to produce sperm on a routine basis every 72 days throughout his life. However, age may affect testicular function of a man and cause a reduction in hormone levels. Lower levels of testosterone can lead to decreased libido and decreased production of spermatozoa. All couples who have difficulty getting pregnancy must have a semen analysis performed to diagnose male infertility.