Case study by
Dr. Chandana Lakkireddi
MD (Gyn & Obs), FRCOG (UK)
Founder & Senior Infertility Consultant
Esha IVF Fertility Center, Hyderabad
Reviewed and published with patient consent. Identifying details have been removed or altered to protect patient privacy.
| Age | 34 years |
|---|---|
| Fertility History | 8 years of primary infertility |
| Prior Treatment | 2 unsuccessful IVF cycles; 1 diagnostic D&C |
| Presenting Problem | Endometrial lining consistently failed to exceed 6–7 mm despite high-dose estrogen, resulting in repeated FET cycle cancellations. |
| Outcome | Endometrial thickness of 8.2 mm achieved; single blastocyst transfer; positive β-hCG; live birth. |
A thin, unresponsive endometrium is one of the more frustrating problems in IVF, the embryo can be excellent quality, but if the uterine lining won’t thicken enough to support implantation, the cycle has to be cancelled before transfer even happens. This patient had already been through that twice. Standard treatment for thin lining is high-dose estrogen, and it hadn’t worked for her at all. Her lining plateaued at 6–7mm cycle after cycle.
At this point the priority shifts from “try more estrogen” to “find out why this lining isn’t responding, and use a different mechanism to fix it.”
Before escalating treatment, we ruled out structural causes:
Diagnostic hysteroscopy to check for Asherman’s Syndrome (intrauterine adhesions/scarring), a common and correctable cause of thin, non-responsive endometrium, particularly relevant given her history of a prior D&C, which carries some risk of adhesion formation.
No adhesions were found, which meant the problem was functional (poor vascularity and regenerative capacity of the endometrial tissue itself), not structural. That distinction determined the treatment path.
Because standard hormonal therapy had already failed, we combined several interventions that work through different biological mechanisms rather than simply increasing the estrogen dose further:
The lining reached 8.2mm, the first time in three cycle attempts it had crossed the threshold considered necessary for transfer. A single top-quality blastocyst was transferred. The cycle resulted in a positive β-hCG and, ultimately, a live birth.
This wasn’t a case of “more of the same treatment, eventually it worked.” Two prior IVF cycles had already failed under conventional protocols. What changed the outcome was correctly identifying that the lining was functionally unresponsive rather than simply undertreated, ruling out a structural cause first, and then combining regenerative, vascular, and (when needed) cytokine-based therapy rather than escalating estrogen dosing indefinitely.
Refractory thin endometrium is one of the more common reasons FET cycles get cancelled, and many patients are told, after repeated failed attempts, that their options are limited. This case reflects a treatment approach for exactly that situation.
Individual results vary based on each patient’s underlying cause of thin endometrium, medical history, and response to treatment. This case describes one patient’s outcome and is not a guarantee of results for any other individual
If you’ve had a cycle cancelled due to thin endometrial lining, or repeated FET failures, that history is worth a direct clinical conversation. Book a consultation with Dr. Chandana Lakkireddi →
Most clinics consider a lining under 7mm at the time of transfer suboptimal for implantation, though this threshold varies by protocol and patient.
It’s an emerging, evidence-supported adjuvant therapy, increasingly used for patients who haven’t responded to standard estrogen protocols. It’s typically considered after first ruling out structural causes like intrauterine adhesions.
In this case, endometrial response was seen within the treatment cycle following PRP and adjuvant therapy. Response time varies by patient.
No. Asherman’s Syndrome is a structural cause (adhesions/scarring inside the uterus) that can result in thin endometrium, but many cases of thin lining have no adhesions at all and are due to poor tissue vascularity or regenerative response instead — as in this case.
This case study is provided for informational and educational purposes and does not constitute medical advice. Every patient’s clinical situation is different; treatment decisions should be made in consultation with a qualified fertility specialist.
At Esha IVF Center, we’re here to support you on your fertility journey. Whether you have questions or need to schedule an appointment, our team is ready to assist. Reach out to us today for personalized care and expert guidance from Best IVF Center In Hyderabad.
