The paper introduced the research progress on the technique of frozen embryo transfer in sheep,illustrated selection of donors and receptors,superovulation,synchronization of estrus,embryo cryopreservation and embryo ...The paper introduced the research progress on the technique of frozen embryo transfer in sheep,illustrated selection of donors and receptors,superovulation,synchronization of estrus,embryo cryopreservation and embryo transplantation. Frozen embryo transfer in sheep is another breakthrough in the high-quality sheep raising,and this technique in China is in its infancy recommendation stage,but it will be comprehensively popularized in the future.展开更多
Cancer is not rare in younger women of reproductive age therefore the preservation of fertility among them has become a significant concern due to aggressive cancer therapy they must undergo.Today different strategies...Cancer is not rare in younger women of reproductive age therefore the preservation of fertility among them has become a significant concern due to aggressive cancer therapy they must undergo.Today different strategies for fertility preservation are available in patients at risk.However,many of these available techniques are still experimental and have limited clinical experience.Under ethical principle,better interdisciplinary cooperation between clinicians and patients,appropriate counseling and further research on cryopreservation and transplantation techniques may enhance their success to preserve fertility of young cancer victims.In this article,the existing and emerging fertility preserving strategies in young cancer female as well as their safety and ethical issues are discussed.展开更多
文摘The paper introduced the research progress on the technique of frozen embryo transfer in sheep,illustrated selection of donors and receptors,superovulation,synchronization of estrus,embryo cryopreservation and embryo transplantation. Frozen embryo transfer in sheep is another breakthrough in the high-quality sheep raising,and this technique in China is in its infancy recommendation stage,but it will be comprehensively popularized in the future.
文摘Cancer is not rare in younger women of reproductive age therefore the preservation of fertility among them has become a significant concern due to aggressive cancer therapy they must undergo.Today different strategies for fertility preservation are available in patients at risk.However,many of these available techniques are still experimental and have limited clinical experience.Under ethical principle,better interdisciplinary cooperation between clinicians and patients,appropriate counseling and further research on cryopreservation and transplantation techniques may enhance their success to preserve fertility of young cancer victims.In this article,the existing and emerging fertility preserving strategies in young cancer female as well as their safety and ethical issues are discussed.