19/08/2026
Recently, one of my patients told me, “My embryo transfer didn’t result in pregnancy. My IVF failed.”
But when I reviewed her reports and looked at the entire cycle, I realised this wasn’t simply a failed IVF cycle.
Here’s what we actually found:
1. The embryo had been transferred, but implantation had not occurred.
A negative pregnancy test only tells us that implantation did not result in a pregnancy; it does not, by itself, explain why the embryo failed to implant.
2. Her uterine lining needed to be looked at more closely.
We reviewed the thickness, pattern and preparation of her endometrium to understand whether the uterus was adequately prepared to receive the embryo.
3. The progesterone timing needed to be assessed as part of the transfer preparation.
Since progesterone helps prepare the endometrium for implantation, its timing in relation to the embryo transfer is an important part of evaluating the cycle.
4. We couldn’t assess the outcome by looking at the embryo alone.
Her hormonal, metabolic and uterine factors also needed to be considered, because implantation depends on the interaction between the embryo and the uterine environment.
5. The next step was not simply to repeat the same IVF cycle.
Instead, we needed to understand what happened during this transfer, identify any factors that could be addressed, and then decide whether the next cycle needed a different approach.
This is why I always tell my patients one unsuccessful embryo transfer is an outcome, not a complete explanation.
Before calling it a “failed IVF,” we need to understand what happened during that particular cycle and what can be learned from it.
📌 Comment “YES” and I’ll share a simple checklist of things to review after an unsuccessful embryo transfer.
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