Archive for the 'News' category

A more reliable technique for detecting anti-Mullerian hormone and estimate ovarian reserve

_SAR0477-lowWe have built a new much more reliable, rapid technique (in 3 days the result is obtained) and as we do it directly in our laboratories the price is reduced to 50€. Only requires a blood test that can be performed in our clinics or send the sample by courier.

The determination of AMH levels in the woman’s blood helps us to assess the ovarian reserve and, together with the completion of an ultrasound to count antral follicles, provides information about their reproductive future and if there is or not a need to rush in getting pregnant.

It is also useful for individualizing the treatment for your fertility problem and helps predict the success of it.

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Genetic incompatibility between the couple, does it exist?

Sep 29 2014 Published by under Fertility, Genetics, News

01It is estimated that about 20% of reproductive problems are genetic or chromosomal type. That is why today genetic testing is an essential part of the fertility study in couples who come to our clinic looking for descendants.

For the diagnosis of fertility problems there is a set of genetic studies very useful in the assistance of couples with reproductive desire. Tests such as the karyotype in both partners, microdeletion of the Y chromosome in the male or the molecular study of fragile X syndrome in women are usually required tests to determine a possible genetic basis of fertility problems in couples. Continue Reading »

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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. Continue Reading »

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Selection of egg donors at Instituto Bernabeu

01Currently, oocyte donation is probably the most demanded technique in fertility centers, mainly due to the increase of maternal age. Voluntary participation of donors is essential, but donors must be evaluated carefully in order to avoid unsatisfactory results (do not forget that the ultimate goal is the birth of a healthy child without prejudice to the donor or the recipient couple).
In a recent study carried out in our center and presented at the Congress of the British Fertility Society, the leading causes of rejection in our program were evaluated in 560 potential egg donors. Continue Reading »

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Why aren’t all embryos obtained from an IVF cycle suitable for freezing?

01 Today, in In Vitro Fertilization treatments, it is not extraordinary to find ourselves on the day of embryo transfer with a high number of good quality embryos. For a fresh transfer we shall be electing the embryo or embryos that morphologically and kinetically demonstrate greater development and ‘the other’ good quality ones can be cryopreserved. Continue Reading »

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Anembryonic gestation

01 The anembryonic pregnancy or blighted ovum” is a specific type of miscarriage in which the fertilized egg implants in the uterus but the embryo does not develop. It is a relatively common problem: 10-15% of clinically detected pregnancies are lost spontaneously and one third of them are blighted ovum.

After fertilization, that is, after the union of sperm and egg, begin a series of cell divisions that lead to the formation of the gestational sac  surrounded by a “shell” or cover called trophoblast (which is the one that will lead to future placenta); inside the gestational sac the embryo will develop. In the case of anembryonic pregnancy the gestational sac is formed with the trophoblastic cover but the embryo is not displayed because it has stopped developing at a very early stage, before reaching a millimeter in size, so it cannot be detected with an ultrasound. Continue Reading »

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Blocked fallopian tube. The involvement of “tubal factor” in fertility

01The Fallopian tubes are trumpet-shaped structures that begin in the uterine cavity and end up opening by the ovaries. After ovulation, the fallopian tubes collect the released egg that is fertilized on the first portion, which is the closest part to the ovary. For this, the spermatozoa travel through the vagina, the cervix, the uterine cavity, and finally the route to the end of the tube. After fertilization occurs, the embryo (fertilized egg) launches its first divisions and travels through the fallopian tube towards the uterus where implantation occur and thus the establishment of pregnancy. Continue Reading »

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Difference between identical and fraternal twins

Apr 17 2014 Published by under Genetics, Gynaecology, News, Pregnancy

01Before establishing the biological origin differences between identical and fraternal twins, let’s make a quick note on the etymology of both words.

Etymologically both terms have the same origin (Latin gemellicium) and were used interchangeably to refer to children born in the same delivery. The only difference was the use of the term fraternal twin in the popular speech twin and identical twin in the cultivated speech. However, the semantic evolution of both words has been accompanied by the numerous advances in the field of genetics and knowledge of the development of the human embryo. In fact, since they differ in the latest edition of the dictionary of the RAE: Continue Reading »

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How many eggs on average are donated on an Egg Donation treatment at Instituto Bernabeu?

01 In Spain, we performed 40% of all egg donation cycles in Europe. The experience accumulated at Instituto Bernabeu for over 15 years, allows us to offer to our patients a high quality and personalized treatment.

When a patient decides to go for an Egg Donation treatment, a chain work is set in the organization, in which we guarantee a commitment of trust, reliability and professional quality.

Why an “x” number of eggs are donated? Why not only one?

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What is a Chemical Pregnancy?

01 There are times when we give patients the results of  in vitro fertilization, we tell them that the test is positive but that it is not good news, and that the chances that it evolves into an ongoing pregnancy are slim. It is a very difficult situation, emotionally, since it is very hard for patients to understand what has happened. If it really is positive, then why isn’t that good news? If it’s not good news, then why do I still have to take medication? Continue Reading »

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