Why not all embryos obtain from a cycle of in vitro fertilization are 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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Embryo normal and abnormal division

01 Since we can remember, we must assume that we belong to described canons. These canons are set based on an average population, such us; children in pediatric check-ups are asses by a percentile of height and weight. As adults we are asses around the body mass index. In both cases, we try to reach an “average” rate.

What we consider average?

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

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Unraveling the mysteries of ICSI (Intracytoplasmic sperm injection)

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! Continue Reading »

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Egg donation explained simply

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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Azoospermia in the IVF lab

Azoospermia is defined as the absence of sperm in the ejaculate, which is generally classified as either obstructive or secretory. In obstructive azoospermia, the sperm cells cannot complete their journey from the testicle to the urethra through the seminal tract; however, the sperm cells are produced in the testicle (spermatogenesis). Continue Reading »

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Cystic Fibrosis and fertility

Cystic fibrosis is a chronic and progressive disease that appears in early childhood and affects many organs in the body, (such as the lungs, intestines, pancreas, liver…). The disease causes thick mucus production, which leads to blockages and infections.

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IVF explained simply

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Spermiogramme and Advanced Semen Studies (FISH AND TUNEL)

A seminogramme or spermiogramme is one of the basic studies performed on men to determine the sperm quality. Sperm is analysed from both a macroscopic and microscopic viewpoint. The most relevant parameters of the study are threefold:

-          Sperm count

-          Sperm motility

-          Sperm morphology

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