Foro IB
In vitro fertilisation (IVF) techniques aim to generate multiple follicles (ovarian stimulation) from which to obtain eggs which will later be fertilised. The ovarian stimulation process culminates with the use of a drug which induces […]
Difference between identical and fraternal twins
Before 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 […]
What is a biochemical pregnancy or miscarriage?
Biochemical pregnancy or miscarriage occurs when an embryo, which initially implants in the uterus, stops developing. The pregnancy test is positive but the HCG hormone subsequently decreases until it becomes negative a few days later […]
Children born to blood relatives
The question of relationships between blood relatives has been approached in many different ways throughout the course of history. There have been times when relationships of this kind have been commonly accepted. Whilst at other […]
Índice1 What is implantation bleeding?2 When does the embryo implantation happen?3 How does the implantation bleeding happen?4 What happens after 6 to 10 days after fertilization?5 What are the characteristics of implantation bleeding? Colour, quantity […]
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 […]
What is Preimplantation Genetic Diagnosis (PGD).When is it indicated?
Preimplantation genetic diagnosis (PGD) is a very useful tool in Assisted Reproduction for the genetic selection of embryos prior to their transfer to the maternal uterus. It allows the selection of healthy embryos for a […]
The advantages of not delaying motherhood and the risks of postponing it
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% […]
Embryonic arrest, why don’t all of my embryos develop equally?
When one starts an in vitro fertilisation (IVF) treatment, one of the most frequent concerns is the number of high quality embryos that can be obtained. This number is variable and depends on several factors such as the ovarian reserve and […]
Does ovarian stimulation for IVF increase the risk of cancer?
One of the common concerns that women who are about to embark on in vitro fertilisation treatment have is the hypothetical risk of getting gynaecological cancer as a side effect of hormone stimulation. Since in vitro fertilisation began, […]