An increasing number of couples have issues having a child naturally. It is currently estimated that in 50% of all cases, the reason for infertility is poor semen quality.
The causes can be immunological, genetic or anatomical factors but there are also external factors that we can, to some extent, control. Highlighting the main common reasons for poor semen […]
Human beings have 46 chromosomes (23 pairs) and these chromosomes contain all the genes in the genome. Half of the 46 chromosomes come from our father and the other half come from our mother. Right from the embryo stage, humans need the number of chromosomes to be normal in order for them to develop correctly. If […]
What is vaginal
flora?
A number of microorganisms consisting of bacteria, viruses and fungi co-habit in the vagina meaning that this area of the body is not sterile. These microorganisms are what are known as vaginal flora. They are essential for balancing our organism’s homeostasis and they protect us from other microorganisms that could cause illnesses.
Lactobacillus is the […]
The World Health Organization (WHO) indicates that a man has hypospermia when the semen sample he produces when he ejaculates is below 1.5 mL. A semen analysis needs to be performed in order to obtain a diagnosis. This test measures different semen parameters such as the volume of the ejaculate, the number of spermatozoa, sperm mobility and so on.
In order […]
Artificial insemination (AI) consists of depositing semen inside the female genitals. A woman’s partner’s semen can be used if he does not have any serious male fertility issues but, nowadays, inseminations are mainly carried out using semen from a sperm bank.
What does
artificial insemination entail?
Insemination requires a strict control of when ovulation takes place. It is […]
Ejaculation is the organic process that controls the
discharge of semen from the seminal vesicles to outside the body. Substances of
nutritional and maintenance value are added along the route in order to
guarantee vitality and comfort as the spermatozoon travels on its journey to
outside the body. This journey can be
affected in a number of ways, particularly in […]
Contraceptives are any means of stopping the union between an ovum and a spermatozoon from taking place
and, therefore, avoiding pregnancy.
There are a number of available contraceptives for men and for women and their impact on fertility varies.
So-called ‘natural’ contraceptives (the rhythm or Knaus-Ogino method, basal temperature or […]
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 […]
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 […]
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 […]
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