Frozen Embryo Transfer (FET)

A frozen embryo transfer is a process in which an embryo, created during IVF cycle is frozen for preservation,

A frozen embryo transfer is a process in which an embryo, created during IVF cycle is frozen for preservation, then thawed and transferred into the uterus at a later time. This is different from a fresh transfer, where the embryo is implanted just a few days after fertilization.

FET allows couples to plan pregnancy at a time that’s physically and emotionally right for them. It’s also a preferred method for many due to its excellent outcomes, fewer risks of ovarian hyperstimulation, and the opportunity to perform genetic testing before transfer.

The most common question parents have at this stage is about the frozen embryo transfer success rate, followed closely by concerns about the long-term health of babies.

Over the last decade, the frozen embryo transfer success rate has significantly improved thanks to advanced freezing techniques like vitrification. The latest global data shows frozen embryo transfer success rate for women < 35yrs is 60–65%. In women >38yrs, success rates range between 35–45%. In some IVF centres with strong lab protocols, success rates are as high as 70%.

An experienced IVF Centre like Star IVF often sees similar or better outcomes with frozen embryos compared to fresh ones. This is because the uterus has time to return to a more natural state, which helps with better implantation and pregnancy support.

But with increased usage comes the next big concern — the baby’s health.

 

This is one of the most common and heartfelt questions asked by couples exploring IVF. And it’s a valid concern —Yes, babies born from frozen embryos are just as healthy as those conceived through fresh embryo transfers or natural conception. It’s a conclusion backed by strong global research.

Over the last two decades extensive studies from various countries have monitored and compared the health of children born from different types of conception, including frozen embryo transfer (FET). These studies offer real, long-term data — and the results are consistently reassuring.

• The overall risk of health complications in FET babies is extremely
• Babies born through frozen embryo transfer tend to have slightly higher birth weights. It’s a healthy sign and is associated with better neonatal outcomes.
• Developmentally, these children achieve all key milestones — at the same pace as children born through natural conception.

Although marginally, higher chance of cesarean delivery or maternal hypertension, have been noted in certain cases. However, these are more related to the maternal profile and treatment protocol than the embryos themselves.

These children grow up in loving homes, and the method of conception does not affect their emotional well-being in any way.