Endometrial receptivity test (ERA)
A biopsy that claims to find your personal 'window' for embryo transfer.
Written by Fertility Decoded. Reviewed by D R, MS (OBG), FRM. Review date: 31 August 2026.
The verdict
Not shown to improve your chance of a baby.
Who are these bodies?
- HFEA
- — UK fertility regulator; rates add-ons by evidence (traffic-light).
- ESHRE
- — European fertility society; evidence-based practice guidance.
- NICE
- — UK health-guidance body; what the NHS will and won't fund.
- ISAR
- — Indian Society for Assisted Reproduction; Indian expert consensus.
- Cochrane
- — Independent global reviewers of the underlying studies.
HFEA
UK regulator
Red — may reduce effectiveness — chance of a babySourceESHRE
European society
Not recommendedNot recommended for any patient group.
SourceNICE
UK NHS guidance
Do not offer (2026)NG257 1.41.1: do not offer endometrial receptivity testing as a treatment add-on (includes gene-expression arrays like ERA).
SourceISAR
Indian society
No positionNot addressed in the 2021 ISAR add-ons consensus.
Cochrane
Evidence base
RCTs show no improvement in live birth from timing transfers this way.
Typical cost in India
~₹35,000–55,000, plus a delayed/extra frozen cycle.
- The evidence does not support it. HFEA rates it red, NICE says do not offer it (2026), and randomised trials show no improvement in live birth from timing transfers this way.
Should I have an ERA test?
Sources
Take this further
Sources last reviewed .