Hyaluronic Acid Applications in Embryo Transfer Systems
Summary
Hyaluronic acid (HA), a naturally occurring glycosaminoglycan, has emerged as a critical adjunct in assisted reproductive technologies. Its high viscoelasticity and capacity to mediate cell–cell and cell–matrix interactions make it particularly suited to embryo transfer systems. By enriching transfer media with HA, clinicians aim to mimic the uterine microenvironment, promote blastocyst adhesion to the endometrium and support early implantation events. Practical applications include frozen–thawed embryo transfer (FET) cycles and treatment of patients with recurrent implantation failure. Variations in HA concentration, exposure time and co-components such as recombinant human albumin have been tested to optimise clinical outcomes. Beyond transfer media, HA-based hydrogels are under investigation as three-dimensional scaffolds for in vitro follicle maturation and reproductive tissue engineering, broadening the potential of HA in fertility preservation and enhancement.
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Hyaluronic Acid Applications in Embryo Transfer Systems publication trend
The graph below shows the total number of articles in hyaluronic acid applications in embryo transfer systems across all publications each year (not limited to Nature Index journals).
Technical terms
Hyaluronic acid (HA): A high-molecular-weight glycosaminoglycan present in extracellular matrices, known for its viscoelastic and hydrating properties.
Embryo transfer medium: A specialised culture solution used to carry embryos from the laboratory to the uterine cavity during assisted conception.
Recurrent implantation failure (RIF): The occurrence of multiple unsuccessful embryo transfers despite the transfer of high-quality embryos.
Frozen–thawed embryo transfer (FET): A procedure in which embryos cryopreserved from a previous stimulation cycle are thawed and transferred to the uterus.
Hyaluronan-enriched transfer medium (HETM): An embryo transfer solution supplemented with elevated concentrations of HA to enhance adhesion and implantation.
References
- Effect of hyaluronic acid-enriched transfer medium on frozen–thawed embryo transfer outcomes in RIF patients: a single-centre retrospective study. Frontiers in Endocrinology (2023).
- Exploring the Role of Hyaluronic Acid in Reproductive Biology and Beyond: Applications in Assisted Reproduction and Tissue Engineering. Advanced Biology (2024).
- Clinical efficacy of hyaluronate-containing embryo transfer medium in IVF/ICSI treatment cycles: a cohort study. Human Reproduction Open (2021).
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