What is a blastocyst
A blastocyst is a 5/6 day embryo with a complex cell structure
consisting of approximately 200 cells. The blastocyst stage is the stage of
development prior to the implantation of the embryo in the mother’s womb.
This cellular structure differs in two areas that will clearly determine
the quality of the embryo and its options […]
What is Endometriosis?
Endometriosis is a benign, inflammatory, chronic and incurable disease that affects the health and fertility of nearly 180 million women worldwide. To get a global idea, it affects 1 in 10 women of reproductive age. Although it is an increasingly known disease in our society, there is still a large part of the […]
For 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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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 involves 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?
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Did you know that if you’ve just turned 40, by your next
birthday you will have lost about half of your fertility you have at this
moment?
From the age of 36,
you lose 2% of your chance of pregnancy per month, which translates into 24%
less per year. And this decrease becomes even more vertiginous when you are
getting older.
Therefore, […]
The ‘implantation window’ is the name we give to the period of time during which the endometrium in the mother’s uterus is in an appropriate state for embryo implantation to take place.
When does the implantation window occurs?
Implantation is a critical and very precise process during which the embryo makes contact with and penetrates the endometrial tissue in the […]
Why aren’t all embryos obtained from an IVF cycle suitable for freezing?
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.
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Embryo fragmentation is a phenomenon that takes place in most embryos and its origin is not entirely clear. Some studies would seem to suggest that the fragments come from cell remains that have no nucleus or that they are the result of the decomposition of one or more cells from the embryo itself. The oocyte plays the most important role in fragmentation. Poor oocyte quality can lead to embryos that are highly fragmented. Embryo quality is determined by several characteristics such as the number of cells, their size or if the cell interior has an abnormality of any kind such as granularity or vacuolisation.
Types of embryo fragmentation
However, one of the factors that has most impact on embryo quality is the extent of fragmentation. Based on the amount, in percentage, of space that it occupies, fragmentation is categorised into 4 types or degrees.
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Up until the past decade, assisted reproduction in the
Muslim world has been a taboo topic. Answers could not be found in the Quran,
and believers were unsure.
Over the years, the great experts of Islam have been solving various doubts about assisted reproduction techniques. These precepts have been included in the set of laws of Islam […]
What is a Beta: B-hCG pregnancy test ?
The determination of the levels of the hormone beta-hCG in blood. The hormone produces the embryo and passes to the mother via the placenta. This is the first measurable sign of embryo implantation.
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