Archive for the 'Reproductive biology' category

Fertility research: one of a kind treatment for one of a kind patients

investigacion-en-fertilidad

Research in the field of assisted reproduction provides us with more and more answers to situations which previously had none. It gives us solutions, options and new ways of overcoming the many difficulties which arise in reproduction.  What’s more, progress in science also helps diagnosis and treatment to be increasingly specific, personalised and individual. In fact, we might even say that the aim is to reach a point where one of a kind treatments are designed for one of a kind patients. Continue Reading »

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Embryo implantation, the ultimate test

implantationIt’s the miracle of life: fertilization and human reproduction. A meticulous and perfect process that allows two cells to come together and create another that will develop until transforming into a new being. Continue Reading »

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Ethics and good practice: Let the truth be told

medico_paciente1Assisted Human Reproduction is undoubtedly an area with ethical and moral implications. There are common issues that arise with the generation of new embryos when a couple undergoes ART and with transfers of previously frozen embryos. Some of the most frequent issues are: embryo manipulation and genetic diagnosis; the use of donor gametes and the possible coexistence of their legal children with the biological ones in the future; the option of discarding embryos by parents for no other purpose when they don’t wish to donate them to other couples with reproductive problems or for research purposes; the age of women accessing ART, along with a long list of legal, ethical and moral issues pertinent to each assisted reproduction centre. 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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Assited Reproduction Techniques: FIV vs ICSI

01 Currently there are two main techniques used to achieve Assisted Reproduction IVF. These two techniques are conventional in vitro fertilization (IVF), and intracytoplasmic sperm injection (ICSI). 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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Normal and abnormal embryo division

01For as long as we can remember, we assume that we belong to certain standards. These standards are set based on the average population, just as children in pediatric check-ups are assessed by a percentile of height and weight. As adults we are assessed by our body mass index. In both cases, we try to reach an “average” rate.

What do we consider average?

This also happens at the embryonic stage. The process of embryo division observation is established to assess whether or not embryos are normal. This observation should be performed at specific times, so that each embryo is observed and evaluated daily.

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Criteria for embryo classification

01From fertilization and until the embryo transfer takes place in the womb, embryos follow a development that is valued by embryologists daily. Those embryos that have kept a correct evolution and are in better condition are selected to be transferred. 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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