Urology and andrology
Learn about the most important aspects of the urinary system and the male genital system, the sexual and reproductive function of men and discover aspects of interest around the medical area that takes care of the reproductive and sexual health of men.
What information does a FISH procedure on spermatozoa provide us with?
When a fertility analysis in the male partner is limited to a seminogram or spermiogram, we only get a partial view of semen quality. A seminogram only provides us with information on the number and characteristics of sperm […]
Spermatozoa production takes place in the testicular seminiferous tubules and the process is known as spermatogenesis. At the end of this process, a germ cell generates 4 mature spermatozoa which will survive in the human body for between […]
Asthenozoospermia is a decrease in the percentage of motile sperm in a sperm sample and it is identified by means of a seminogram or semen analysis. Nowadays, seminograms are a basic tool which provide us with information […]
How are seminograms interpreted?
A seminogram, or semen analysis, is a basic analysis of a semen sample with the aim of determining semen quality. In order to carry out the analysis correctly, the patient needs to refrain from sexual intercourse for […]
Oligozoospermia and criptozoospermia
Oligozoospermia is the presence of an abnormally low number of sperm in a semen sample. According to the criteria in the 5th edition of the World Health Organisation (WHO) manual, normal sperm content in a sample […]
When a couple is faced with difficulties getting pregnant, there is approximately a 50% chance of the reason for this being a factor in the male partner. The main cause of fertility issues in men is […]
Techniques for obtaining spermatozoa
There are currently many different solutions when spermatozoa are not present in ejaculate. Access to a trained urologist increases chances of achieving spermatozoa in greater quantities and with improved quality. What is TESA (Testicular Sperm Aspiration)? This […]
The male factor in infertility
In contrast with the old-fashioned belief that reproduction issues are a female thing, current figures are clear: 47% of infertility cases in a couple are down to an issue with the man. Therefore, when a couple has […]
Contamination, environmental toxins and fertility
Scientific evidence from the last 15 years shows that without a doubt, environmental toxins before conception and during pregnancy cause long-lasting effects on reproductive health. An example of this is the exposure to mercury, which […]
Using Magnetic Fields to Select Healthy Sperm: MACS (Magnetic Activated Cell Sorting)
It is well known that having the best possible sperm quality is important to the success of assisted reproduction techniques. To achieve this, the lab has to improve sperm quality based on its motility and […]