Fertility Decoded

Endometrial receptivity test (ERA)

A biopsy that claims to find your personal 'window' for embryo transfer.

The verdict

Not shown to improve your chance of a baby.

Evidence positions on Endometrial receptivity test (ERA) from HFEA, ESHRE, NICE and ISAR
BodyPosition
HFEA
  • Red — may reduce effectivenessfor chance of a baby
ESHRENot recommended

Not recommended for any patient group.

Source
NICEDo not offer (2026)

NG257 1.41.1: do not offer endometrial receptivity testing as a treatment add-on (includes gene-expression arrays like ERA).

Source
ISARNo position

Not addressed in the 2021 ISAR add-ons consensus.

Cochrane evidence base

RCTs show no improvement in live birth from timing transfers this way.

In India

~₹35,000–55,000, plus a delayed/extra frozen cycle.

Should I have an ERA test?
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.

Sources

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