January 23, 2026

Elective Single Embryo Transfer (ESET): Safest Path to Healthy Pregnancy

ESET achieves 74% pregnancy rates for women under 38, reducing twin risks from 50% to 0%. Egg donor transfers via ESET hit 73%, while twin pregnancies carry high preterm birth risks (4-5 weeks early) and NICU complications.


Key Takeaways

ESET Pregnancy Rates vs. Twins: Risk vs. Slight Success Increase

Women under 38 using ESET have a 74% pregnancy rate compared to 77% with two embryos, but eliminate 50% twin risks. Twin pregnancies increase preterm birth and neonatal intensive care needs.

Egg Donor Transfers: Balancing High Success Rates with Twin Risks

Egg donor recipients achieve 90% pregnancy rates with two embryos (33% twins) versus 73% with ESET. While success rates are higher, twin risks persist with complications like lung and heart developmental issues.

Frozen Embryo Storage: Enhancing Future IVF Options with ESET

ESET allows blastocyst freezing, maintaining ~90% pregnancy rates with frozen embryos. This provides future transfer opportunities at lower costs if initial ESET attempts fail.

Twin Pregnancy Risks: Prematurity and Neonatal Complications Overview

Twin pregnancies carry a 4-5 week average preterm delivery risk, with infants requiring NICU care for weeks to months. Obstetricians often mandate bed rest for the final 2-3 months to mitigate risks.

Why RSC Recommends ESET: Expertise for Lower-Risk Pregnancies

Reproductive Science Center prioritizes ESET for women under 38 or egg donors with multiple blastocysts. Their success rates support single embryo transfers without compromising pregnancy outcomes.


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