At what temperature should sperm be stored?

Today, the situation of infertility is increasing, there are many men who decide to save their "seed" by depositing sperm in sperm banks and freezing, for backup purposes. for later use. So what do you guys know about sperm cryopreservation?

Sperm cryopreservation, also known as sperm freezing, is a technique of preserving sperm at very low temperatures, helping to preserve sperm for a long time. The sperm cryopreservation process is carried out through many stages and strict procedures. In fact, this sperm preservation technique has proven beneficial and brings happiness to many couples.

First, you will perform tests to rule out infectious diseases to get the best quality sperm sample. For example: In the case of a man infected with AIDS, undergoing treatment, he must check that his sperm does not contain the virus before being frozen.
Men collect sperm samples by masturbation and put them in specially sterilized plastic bottles. Lubricants that stick to sperm should be avoided. The ideal time to collect sperm for cryopreservation is 3-5 days from the last ejaculation to the date of collection.
In special cases, for some reason, the patient cannot take the sample by himself, doctors can perform surgery such as: aspiration of sperm from the epididymis through the skin, aspiration of sperm from the epididymis. testicles or extract sperm from testicles... doctors always try to minimize the number of times performed surgically to retrieve sperm.
After testing and processing, sperm samples will be frozen in liquid nitrogen bottles at -196 degrees Celsius, preserved for a long time. Each sperm frozen sample in liquid nitrogen is carefully numbered and labeled. Each man can have more than one sperm sample, depending on the quantity or quality of the sperm at the time of collection. When used, the sperm will be thawed and carried out assisted reproductive measures.

According to statistical reports, there have been many healthy children born by ICSI method (intracytoplasmic sperm injection) with 21-year cryopreservation, and many children were born with spermatozoa. Method of artificial insemination with sperm frozen for 28 years.
According to these studies, children born by artificial insemination and in vitro fertilization with donor sperm are frozen for a period of time, compared with children conceived naturally showed no difference in: birth weight, preterm birth rate, birth death rate, male-female sex ratio, chromosomal abnormalities and other birth defects including health of babies...
When sperm is frozen at -196°C, the chemical reactions occurring inside the cells will stop. The only thing likely to affect frozen sperm is radiation from space, because cosmic rays have the ability to damage sperm DNA. Scientists predict that, without the impact of radiation from space, completely frozen sperm can be preserved for more than 1000 years.

Customers who need accurate examination and advice on sperm freezing services can choose Reproductive Support Center - Vinmec International General Hospital. The center currently gathers a team of leading experts in the fields of obstetrics and gynecology, domestic and international, and a team of doctors and nurses trained in the world's leading countries in medicine such as the US and Singapore. , Japan, Australia and world famous Assisted Reproductive Centers. With a high level of expertise and extensive experience, the team of experts at Vinmec Fertility Center are capable of synchronously and comprehensively deploying today's most advanced assisted reproductive techniques, helping to realize fulfill the parenting dream of hundreds of families across Vietnam.