4. Behandlungsschritt der IVF-Naturelle : Embryotransfer.

Graphic: ©Dr. Florian Lenz & Prof. Dr. Michael von Wolff

Embryo transfer

Embryo transfer usually takes place 2 to 3 days after follicular puncture. A fine catheter guide tube is inserted through the cervix and into the uterine cavity. The transfer catheter is fed through this guide tube and the embryo is injected. Embryo transfer is completely painless.

It is often assumed that embryo transfer is better 5 days after follicular puncture; however, this is wrong. An embryo should not be cultured too long in the laboratory under artificial conditions. There is a lot of evidence that genes are adversely affected under artificial conditions. A transfer on day 5 only makes sense in traditional IVF, when many oocytes are collected and embryo selection is possible

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