Treatment cycles with cryopreserved pronuclear stage cells (“cryo cycle”)

In the so-called cryo cycle, the cryopreserved cells are thawed and transferred after a few days culture, into the uterus. In most cases, the transfer takes place in a spontaneous cycle, i.e. without prior stimulation. The transfer is therefore not as stressful for the body as a fresh cycle. It may be useful to thin the outer shell of the embryo. This procedure (see Assisted Hatching) facilitates the hatching of the

embryo for implantation. Again, we recommend transferring one well-developed embryo. Our doctors will discuss the appropriate procedure and the number of cells to be thawed and embryos to be transferred with you individually. We require the written consent of both partners for thawing.