Reproductive biology
Discover in depth the biological processes related to fertilization, embryo implantation and all aspects affecting human reproductive biology.
A comparison of the phases in IVF and ICSI treatment
1.- Ovarian stimulation in the patient is carried out by administering doses of hormones that stimulate ovarian function with the aim of achieving sufficient oocytes. The doses of the aforementioned hormones are personalised to each patient […]
Pre-implantation genetic diagnosis (PGD): comprehensive chromosome screening
Pre-implantacional genetic diagnosis (PGD) is a technique used to detect genetic or chromosomal abnormalities and it is performed on the embryo prior to transfer to the mother’s uterus. Its use is recommended in couples where one […]
CCS (Comprehensive Chromosome Screening) and unexplained sterility
Any couple that turns to a fertility clinic undergoes a number of tests in order to diagnose the fertility issue that is making natural conception impossible. It is estimated that, at the end of the process, 1 in […]
Using stem cells as the answer to ovarian failure. Hope or reality?
Significant progress has been made over the last few decades in the field of fertility in order for patients to be able to have children of their own. However, one of the greatest challenges in reproductive medicine is pregnancy in […]
The importance of the Fallopian tubes in fertility
The Fallopian tubes are two, very thin elongated structures measuring around 12 centimetres in length which connect the peritoneal cavity to the uterus. In this external abdominal part, they are in very close contact with the […]
Double check. Safety in the in vitro fertilisation (IVF) laboratory
A recent news item generated alarm regarding safety procedures in in vitro fertilisation (IVF) laboratories. On this occasion, a hospital in Utrecht is currently investigating 26 potential cases of confusion as a result of insemination with semen […]
Personalised fertility counselling unit
Behind our on-line consultation system, there is a team of trained personnel. The team is ready to help users and make them see that the concerns amongst people who are looking for an answer to […]
Will my frozen embryos survive?
Cryopreservation, or embryo freezing, is an essential part of courses of assisted reproduction treatment since it means that embryos can be preserved in order to be used at a later date and without the passing of time […]
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 […]