Embryo glue in IVF: Does it really increase implantation rates?

For couples undergoing In Vitro Fertilization (IVF), the embryo transfer is the final and most critical step of the journey. Once the embryo is placed inside the uterus, success depends entirely on the embryo's ability to implant in the uterine lining. To support this process, reproductive laboratories use advanced transfer media, one of the most popular being "Embryo Glue."

Despite its name, Embryo Glue is not a chemical adhesive. Understanding what embryo glue in IVF is, how it works, and whether it clinically increases implantation rates can help you discuss transfer protocols with your medical team.

What Is Embryo Glue and How Does It Work?

Embryo Glue is a specialized, nutrient-rich liquid medium containing a high concentration of **hyaluronan** (hyaluronic acid). Hyaluronan is found naturally in the female tract and prepares the uterus for implantation. It supports success by:

• Increasing Viscosity: Makes the fluid thick, matching the consistency of uterine secretions and keeping the embryo in place.
• Cellular Binding: Binds to receptors on the embryo and uterine lining, acting like a bridge.
• Nutrition: Provides essential carbohydrates and amino acids. Learn about stages in our blastocyst formation guide.

Optimize Your Transfer Success
Utilizing advanced transfer media is a safe way to support your embryo transfer cycle. If you are planning an upcoming transfer, you can schedule a clinical consultation at Pravi Global IVF.

Clinical Success Rates

Research indicates that using hyaluronan-enriched media increases clinical pregnancy rates by **8% to 10%** overall, with the greatest benefits shown for patients with recurrent implantation failure (RIF) or advanced maternal age (over 35).

Conclusion

While embryo glue in IVF is not a magic solution that guarantees pregnancy, it is a clinically backed, safe, and effective supportive tool. By mimicking natural uterine secretions, increasing fluid thickness, and promoting cellular binding, it provides essential support during the critical window of implantation.

Our laboratory uses advanced transfer media and vitrification to support IVF success. Contact Pravi Global IVF today to schedule a consultation with an embryologist.