FAQ In vitro fertilisation (IVF)

In Vitro Fertilisation is the best-known technique of Assisted Reproductive Technologies. However, each route is unique and other routes are possible. Find out more about all the possible routes with our frequently asked questions.

IVF and implantation

What is the difference between IVF and insemination?

In IVF, fertilisation takes place in vitro and the embryo is transferred to the uterus.

IUI involves inseminating sperm into the uterus so that fertilisation can take place in vivo (i.e. in the fallopian tubes).

How is IVF performed?

IVF, or In Vitro Fertilisation, is a medically assisted procreation technique that allows several oocytes, taken during a puncture from a woman, to be fertilised with spermatozoa. Fertilisation takes place in vitro, i.e. in the laboratory, rather than in vivo (in the woman's body). You can consult the WiStim article entitled: "IVF in practice".

How long does it take to get your period after negative IVF?

Menstruation generally appears rapidly after a negative test, especially after progesterone-type treatments have been stopped.

What is a long protocol?

A long protocol is an IVF protocol in which ovarian function is blocked before starting stimulation either with a pill or a GnRH agonist (Decapeptyl).

How long does an IVF procedure last?

It generally takes three weeks from stimulation to embryo transfer.

How long can a TEC procedure be carried out after IVF failure?

For a TEC, this is possible from the following month. For IVF, depending on the availability of your centre and your doctor.

What is the difference between IVF and IAC?

In IVF, fertilisation takes place in vitro and the embryo is transferred to the uterus. IAC involves short-circuiting the cervical mucus to make it easier for the spermatozoa to meet the oocytes.

How does IVF work?

You can consult the Wistim article called: "IVF in practice".

What is implantation?

This is when the embryo attaches itself to the uterine wall.

When does implantation take place?

Nidation begins around the 7th day after fertilisation.

What is a blastocyte?

A blastocyst is an embryo that has reached its fifth day of development.

What is the most appropriate diet during a fertility treatment?

Your diet should contain more fruit and vegetables and less sugar than usual.

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