Fertility
There’re many reasons why men and women cannot conceive, even after a previous pregnancy. Either due to dysfunctions in the reproductive system or because the gametes have alterations. Discover the different aspects involved and their treatments.

The immune system and pregnancy
Numerous factors are involved in making the amazing miracle of pregnancy possible. Many of them are very well understood whilst others, such as the immune system and its role in embryo implantation, given their importance, […]

Embryo transfer on day 3 or day 5. The pros and cons.
Determining the ideal day for embryo transfer has always been a controversial issue and there are, even today, still a number of doubts surrounding this issue. Embryo culture is, basically, a selection process. Each embryo’s […]

Obesity and embryo implantation failure
It has long been known that patients who are overweight face increased reproduction and pregnancy loss issues. Issues achieving a successful pregnancy are even greater if, as well as being obese, the patient also has […]

Recurrent pregnancy loss: an issue that does have a solution
Clearly one of the most difficult situations a couple trying for children may have to face is pregnancy loss. Suffering is even greater when, prior to this, the couple has gone through fertility treatment such […]

State of the art technology in preimplantation embryo diagnosis: Array-CGH
Preimplantation Genetic Diagnosis (PGD) is the study of chromosomal and genetic abnormalities in embryos before they are transferred to the mother’s uterus by an In Vitro Fertilisation (IVF) technique. It seeks to ensure healthy offspring […]

Specialised healthcare in the Instituto Bernabeu endometriosis unit
Endometriosis is the presence outside the uterus of tissue from the uterus known as the endometrium (the lining that covers the uterus where the embryo embeds). It can implant anywhere in the body, except the […]

What does embryo biopsy involve?
Preimplantation Genetic Diagnosis (PGD) is a tool designed to “get to know” the embryos genetically before they are transferred into the mother’s uterus. Thanks to this technique, we can study their chromosome count and find […]

Co-mother registration for lesbian couples
Last July, Act 19/2015 on administrative reforms in the field of Justice Administration and Civil Registration made changes to article 7.3 of Act 14/2006 on human assisted reproduction techniques, making it clearer than before and […]

The karyotype is the number of chromosomes in metaphase that we have. Chromosome count and therefore karyotype are characteristic to each species. Human beings have 46 chromosomes (23 pairs) in the nucleus of each cell […]

Why does the PGT-A preimplantation genetic test (PGT) decrease the miscarriage rate?
La tasa de aborto en la población general sin problemas de fertilidad se encuentra en torno a un 15-20%, es decir una de cada cinco parejas que consiguen embarazo tendrá un aborto espontáneo, y en […]