In vitro maturation(IVM)has been used in clinical settings for 30 years.The merits of IVM include that it needs a relatively small amount of hormones and short treatment period.However,because the effectiveness of IVM...In vitro maturation(IVM)has been used in clinical settings for 30 years.The merits of IVM include that it needs a relatively small amount of hormones and short treatment period.However,because the effectiveness of IVM is lower than that of controlled ovarian hyperstimulation,there are few centers routinely use IVM,and it is only applicable to a few special populations.In this article,several oocyte sources related to IVM have been discussed and the effects of gonadotropin priming and triggering on IVM are described.Furthermore,we have reviewed the optimization of IVM culture conditions in recent years along with the effects of IVM on genes of oocytes and cumulus cells and the obstetric and neonatal outcomes.We aim to provide indications for future improvement of IVM technology so that the success rates of IVM technology in special populations can be improved.We hope that this mild and natural protocol can be applied to more populations,including individuals with normal ovulation.展开更多
Traditional radiotherapy and chemotherapy often cause irreversible damage to the fertility and endocrine function of cancer patients.The current methods of fertility preservation include freezing the sperms of adult a...Traditional radiotherapy and chemotherapy often cause irreversible damage to the fertility and endocrine function of cancer patients.The current methods of fertility preservation include freezing the sperms of adult and adolescent males after puberty;freezing the embryos,oocytes,and ovarian tissue of females;and drug intervention and fertility preservation surgery.This article reviews fertility preservation in cancer patients with respect to current methods,indications,and some more recently developed methods that remain under investigation.展开更多
基金This study was supported by Gansu Province Natural Science Foundation(Grant No.20JR10RA688)Gansu Province Science Foundation for Distinguished Young Scholars(Grant No.18JR3RA262).
文摘In vitro maturation(IVM)has been used in clinical settings for 30 years.The merits of IVM include that it needs a relatively small amount of hormones and short treatment period.However,because the effectiveness of IVM is lower than that of controlled ovarian hyperstimulation,there are few centers routinely use IVM,and it is only applicable to a few special populations.In this article,several oocyte sources related to IVM have been discussed and the effects of gonadotropin priming and triggering on IVM are described.Furthermore,we have reviewed the optimization of IVM culture conditions in recent years along with the effects of IVM on genes of oocytes and cumulus cells and the obstetric and neonatal outcomes.We aim to provide indications for future improvement of IVM technology so that the success rates of IVM technology in special populations can be improved.We hope that this mild and natural protocol can be applied to more populations,including individuals with normal ovulation.
基金Gansu Province Science Foundation for Distinguished Young Scholars(Grant No.18JR3RA262)。
文摘Traditional radiotherapy and chemotherapy often cause irreversible damage to the fertility and endocrine function of cancer patients.The current methods of fertility preservation include freezing the sperms of adult and adolescent males after puberty;freezing the embryos,oocytes,and ovarian tissue of females;and drug intervention and fertility preservation surgery.This article reviews fertility preservation in cancer patients with respect to current methods,indications,and some more recently developed methods that remain under investigation.
