In pregnancies achieved after egg donation (ED) tolerance towards a completely allogeneic fetus is mediated by several complex immunoregulatory mechanisms, of which numerous aspects are still unknown. A distinct lesion not described previously in the literature, was repeatedly found in the chorionic plate in a substantial portion of placentas from ED pregnancies, but never in placentas from nor...

La fédération des CECOS (centres d’études et de conservation œufs du sperme) rassemble la majorité centres autorisés pour gestion activités d’assistance médicale à procréation (AMP) avec tiers donneur (97 % le don spermatozoïdes, 80 d’ovocytes, l’accueil d’embryon). loi no 2021-1017 2 août 2021 relative bioéthique prévoit nombreux changements dans les pratiques d’AMP, notamment concernant l’AMP...

Abstract Study question How significant is the age factor for clinical success of controlled ovarian stimulation cycles (COS) in various subgroups egg donors? Summary answer There no negative impact donor outcome donation cycle. What known already It was shown that an independent outcomes, which could predict over 80% IVF success. also reported there were associations between oocyte harvest and...

Abstract Study question Do ART clinics’ websites provide sufficient information for potential egg donors regarding all aspects related to donation? Summary answer There is an imbalance of provided online by clinics. The benefits exceed the side effects and risks associated with donation. What known already high demand in Czech Republic due extreme interest international couples procedures, e.g....

The progress of science in the medical field and legal framing artificial insemination have engendered problem third-party accordance with a framework that is provided by some countries. This mainly aims to guarantee right every person unable procreate children. situation led creation sperm egg banks which began receive donations, free charge, while protecting confidentiality donor-related info...

STUDY QUESTION Are there any changes in the treatments involving ART and IUI initiated in Europe during 2013 compared with previous years? SUMMARY ANSWER An increase in the overall number of ART cycles resulting from a higher number of countries reporting data was evident, the pregnancy rates (PRs) in 2013 remained stable compared with those reported in 2012, the number of transfers with mult...