Just like with any specialist area of medicine, when we need to turn to a reproductive medicine clinic, we have a number of concerns and we need to have a clear understanding of what our needs are and what we expect from an assisted reproduction clinic. It is very important to choose carefully because they […]
Ova and spermatozoa are needed in order to be able to perform in vitro fertilisation treatment. They are taken to the in vitro fertilisation laboratory so that, once they have been appropriately prepared, they can be joined together and fertilise.
Unfortunately, biology is not an exact science and the uniting a spermatozoon and an ovum does not always create an […]
A person’s blood group is determined by a number of proteins
that are found on the surface of red blood cells. There are 4 main blood groups
depending on if these proteins are present or not: A, B, AB and 0. An
additional protein known as factor Rh has also been located on the surface. If
a person has […]
In vitro fertilisationis a procedure that is carried out in an embryology laboratory with the aim of obtaining embryos using female gametes (ova) and male gametes (spermatozoa). The ova and spermatozoa can be retrieved from the patients (the patients’ own gametes) or from female and male donors (donated gametes).
There are many different ways of obtaining embryos which facilitate a […]
Embryo collapse refers to the contractions that are observed in the blastocyst and which have a connection to appropriate embryo development.
Following a number of physical phenomena, there is a build up of liquid in the cavity which ends up forming what we know as the blastocoel. A progressive accumulation of liquid leads to an increase in […]
Selecting healthy and viable embryos is increasingly important in the field of assisted reproduction. The selection is made using pre-implantation genetic diagnosis (PGD) which consists of analysing some of the cells in the embryo and determining if it is healthy before it is transferred to the patient.
Embryos can currently be retained in culture until day 5 to […]
What is cryopreservation of
the ovarian cortex?
Cryopreservation in the field of assisted reproduction treatment has clearly been a revolution on all levels. It has changed strategies in cases in which fertility has been compromised for any one of a number of reasons.
This revolution began with freezing both male and female gametes over the course of the latter half of […]
The miracle of conception involves an intimate union between the ova and spermatozoon, appropriate evolution of the fertilised embryo and, furthermore, an ideal environment inside the uterus so that implantation can take place. Whilst this process might seem simple, it is much more complex than we might think, particularly in human beings. Only 30% of our conceptions end in […]
Mayer-Rokitansky-Küster-Hauser syndrome – or simply MRKH syndrome – is a congenital disorder (birth defect), the main characteristic of which is that the women who suffer from it do not have a uterus.
The cause of this infrequent condition (1 in 5,000 female births) is an abnormality during development of the internal genitalia during the embryo/foetus stage. As well as an […]
If we take into account that women’s oocytes develop before they are even born and that, after birth, the oocytes progressively decrease in number until they run out completely when women reach the menopause, the concept of ovarian reserve refers to the oocytes that are in a woman’s ovaries at any given time.
Assessing ovarian reserve is particularly important if […]
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