eggs

Is ovary size important?

As is the case with all the organs in our bodies, over our lifetime, ovaries go through changes that affect not only their size but also how they perform. The ovaries are situated between the uterus and the fallopian tubes. They are essential to reproduction and, therefore, to the survival of the human race.
The ovaries begin to develop when female embryos are around 8 weeks old and during pregnancy they undergo a number of changes that prepare them for their role in reproduction when a woman is in her childbearing years. […]

2017-12-14T13:19:18+02:008 de September de 2017|0 Comments

Using stem cells as the answer to ovarian failure: hope for the future 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 women with slim chances of obtaining their own eggs. For example, women with premature ovarian failure (in other words, egg loss at a young age) or, quite simple, women over the age of 40. […]

2017-07-21T08:55:55+02:0021 de July de 2017|0 Comments

Empty follicle syndrome

In vitro fertilisation (IVF) techniques aim to generate multiple follicles (ovarian stimulation) from which to obtain eggs which will later be fertilised. The ovarian stimulation process culminates with the use of a drug which induces the final stage of egg maturation. The most commonly used one is human chorionic gonadotropin (hCG). This final step is essential in order to obtain eggs during ovarian puncture and it also indicates when the procedure should be carried out. The origin of empty follicle syndrome (EFS) is not fully understood and, when it occurs, no eggs are obtained following meticulous ovarian puncture, despite adequate follicle growth following ovarian stimulation and normal hormone results. […]

2017-01-27T10:21:21+02:0017 de March de 2017|0 Comments

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 in the ejaculate (mobility, morphology…). It does not, however, tell us anything about other aspects such as sperm DNA integrity […]

2018-03-26T17:56:49+02:0020 de January de 2017|0 Comments

What is a hydrosalpinx and how will it affect my fertility?

The tubes connecting the ovaries and the uterus are known as the Fallopian tubes (or uterine tubes). These structures play an essential role in natural reproduction and are responsible for receiving the egg each month and, furthermore, it is here that the union between egg and sperm takes place (fertilisation). They also enable the resulting embryo to be transported to the uterus which is where pregnancy will take place.
A hydrosalpinx is the result of an obstruction at the far ends of the Fallopian tubes which leads to the area becoming filled with liquid. This can lead to the Fallopian tubes becoming very swollen and distended, resulting in a ‘sausage-like’ appearance. In many cases, the obstruction and the liquid that has accumulated impair correct functioning of the Fallopian tube: semen does not travel up, the egg is not received by the tube and fertilisation does not take place, making achieving a natural pregnancy complicated (particularly so if both Fallopian tubes are affected). Alternatively, a hydrosalpinx can lead to pregnancy occurring within the tubes themselves (ectopic pregnancy). […]

2016-12-01T11:45:42+02:002 de December de 2016|0 Comments

Ovarian stimulation: What is it? Are there any risks involved?

During the first few days of a period, a complex process takes place in the ovaries. The first step is to gather and initiate development in several follicles that contain eggs. Following this, only one egg is selected and it then develops. A mature egg is released during ovulation.
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2016-05-26T17:43:17+02:0027 de May de 2016|0 Comments

What are follicles? Number, growth and other characteristics

What are ovarian follicles?
To start with, let’s state what follicles are not. Follicles are not oocytes (eggs). Many patients confuse these terms, believing that follicle equals oocyte.
The female gamete is the egg, and the male gamete is the sperm. These are the cells involved in embryos obtained after fertilization. […]

2014-12-09T13:54:23+02:001 de September de 2014|50 Comments

Differences between Artificial Insemination and In Vitro Fertilisation

Artificial insemination is a simple technique carried out on couples with specific fertility problems.

The ideal candidate would be a young woman with permeable fallopian tubes, less than 3 years of sterility and a male partner with normal semen. Artificial insemination is useful for couples that meet these requirements. No more than 4 tries are carried out, and the overall pregnancy rates are 25% – 30 %.

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2016-08-09T13:46:05+02:0014 de December de 2011|1 Comment
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