In the last years, male infertility Worldwide, sperm concentration and number have decreased in the past four decades. The amount of sperm the men ejaculated fell to 59.3% and the sperm concentration to 52.4%.
This condition can frustrate the dream of some men who want to start a family. However, the progress of science makes it possible to study semen. Infertility specialists can learn the main characteristics of the sperm of a man who wants to be a father, and the problem occurs when these cells do not present a normal shape or conditions, which is very dangerous for the purpose of fertilization
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Currently, there are more men with sperm counts below the subfertility or infertile threshold, which limits their chances of becoming fathers. “As with women, a man’s biological clock also plays an essential role in the success or failure of pregnancy., Augusto Asenzo Aparicio, gynecologist and expert in assisted reproduction at the Miraflores Clinic, and former president of the Fertility Society of Peru.
Reproductive deterioration has a lot to do with the genetic code and the age of the patient himself. “I’m a better swimmer in 20 than 40, the same thing happens with male fertility,” says Ascenzo Aparicio and explains “Sperm quality declines over time; for this reason, sperm donors are usually males under the age of 25.”
Fertility studies indicate that the ideal age for a father is between 20 and 40 years, Hence, fertility can drop by 70% and reach 80% when the 50-year limit is passed. Men over the age of 50 cannot have children. Moreover, at much older ages, the risk of male gametes undergoing changes and fragmentation of their DNA increases significantly.
Finding the best sperm
Assisted reproductive technologies allow you to select the best sperm to improve fertilization success rates. The name of this procedure is PICSI or Physiological Microinjection, which consists in selecting the most efficient gametes based on their ability to bind to hyaluronic acid (HA), the main component of the cells surrounding the egg.
HA plays an important role within the female reproductive system, specifically in selecting the most efficient sperm for fertilization. Only those gametes that have completed the correct maturation process are able to develop specific receptors for binding to HA.
Sperm selection with this technique allows for better fertilization and pregnancy rates and reduces the chances of miscarriage. It is recommended for use in the case of couples with poor male sperm quality or those who have undergone a course of ICSI and did not get the desired results.