During an IVF cycle, one of the crucial decisions made in the embryology laboratory is timing the embryo transfer. Specifically, should the transfer occur on Day 3 or Day 5?
While Day 3 transfers have been a clinical standard for years, modern technology increasingly supports Day 5 blastocyst transfers. Let's explore why blastocyst stages matter to your success at Kindle Womb IVF in Jaipur.
Day 3 Cleavage Embryos vs. Day 5 Blastocysts
By Day 3, a fertilized egg has divided into 6 to 10 cells, known as a cleavage-stage embryo. By Day 5, the embryo has divided into hundreds of cells and organized into a blastocyst, featuring an outer cell mass (forming the placenta) and an inner cell mass (forming the fetus).
Why Blastocyst Transfers Yield Higher Success
Culturing embryos to Day 5 acts as a natural selection process. Many structurally abnormal embryos stop dividing between Day 3 and Day 5.
By transferring blastocysts that demonstrate the strength to grow to Day 5, embryologists select the highest-quality embryos, resulting in higher pregnancy success rates per transfer.
Aligning with Kindle Womb IVF Jaipur
At our state-of-the-art embryology laboratory, we utilize advanced incubation modules to culture embryos to Day 5 safely. This helps us maximize successful single-embryo transfers while reducing the risks of multiple pregnancies.
Want to learn more about our lab processes and embryo transfer options? Book a Consultation with our Jaipur fertility specialists today.