Archive for the 'Reproductive biology' category

Unraveling the mysteries of ICSI (Intracytoplasmic sperm injection)

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We’re dedicating this Instituto Bernabeu forum topic to a very common technique used in the human reproduction laboratory: ICSI or Intracytoplasmic sperm injection. We have prepared this explicative video on the topic, in which Dr. Jorge Ten simply explains what this technique involves, how it is performed, its indications, history and evolution, as well as our reproductive biology team’s efforts to perfect the results. We hope you like it!

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Dr. Jorge Ten, Reproductive Biology director of Instituto Bernabeu.

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Chromosomal alterations in repeated miscarriages

Imagen9-e1297356992948Couples who get pregnant, either naturally or through assisted reproductive techniques, are especially worried about the successful outcome of the pregnancy.

Unfortunately, some pregnancies end in miscarriage or fetal loss in the week 20 of pregnancy, when the fetus is not able to survive outside of the maternal uterus. Continue Reading »

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Becoming a mother after 40

Nowadays, we all know that maternity is being postponed, currently standing at 31 years of age, according to the National Statistics Institute.

This basically means that the average woman has her first child at the age of 31. Continue Reading »

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Partner Assisted Reproduction Technique, or the PAiR method

When a female homosexual couple decides to have a child through assisted reproduction techniques, there are several available options:

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Egg donation at Instituto Bernabeu

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Since 1988, egg donation has been legally regulated in Spain. It is a well-controlled and anonymous process that can be carried out thanks to the solidarity of many people. We should bear in mind that Spain is the leading country in terms of organ donation, including egg donation and blood donation, which is quite common in our country. Continue Reading »

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Indications of Preimplantation Genetic Diagnosis (PGD)

Preimplantation Genetic Diagnosis (PGD) is a new technique used in Reproductive Medicine and is one of the main sources of innovation and research. PGD allows embryos to be selected from assisted reproduction cycles and tested for certain genetic or chromosomal abnormalitybefore being transferred to the womb.

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Advantages of Embryo Donation

One of the options for patients undergoing In Vitro Fertilization (IVF) techniques with remaining embryos, meaning high quality embryos that can be cryopreserved for the future, is to donate these embryos to other couples for reproductive purposes. In most cases, these embryos come from couples that have gone through double donation treatments (egg and sperm), and after achieving their goal of becoming parents, decide to donate their embryos so that other couples can achieve their own. Continue Reading »

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The miracle of embryo implantation

Embryo implantation is the process in which the human embryo adheres to the endometrium, where it continues developing. The first step of this process begins with the dialogue between the embryonic and maternal cells. Continue Reading »

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Blastocyst, advantages of a transfer on day 4 or 5

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When we perform an assisted reproduction cycle, we try to optimise the results as much as possible. Currently, the most physiological way of achieving this is with an embryo culture that reaches the blastocyst stage. Continue Reading »

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Egg donation explained simply

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For 21 years, egg donation has been a treatment that Instituto Bernabeu offers to women who need it, which has made it a European reference point for egg donation.

It is the reproductive technique with the highest pregnancy rates, over 60% per cycle. At IB, the overall pregnancy rate after three cycles of treatment is over 90%. Continue Reading »

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