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What endometrial thickness is needed for IVF?

By Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 05/12/2021

Ideally for an embryo transfer after an IVF cycle, the endometrium should be about 8 mm thick and have a trilamellar appearance on ultrasound.

However, an endometrial thickness of 8 mm does not guarantee that the embryo will implant. Similarly, gestation is also possible with thinner endometria, although these endometria result in lower pregnancy rates.

 Silvia Azaña Gutiérrez
Silvia Azaña Gutiérrez
B.Sc., M.Sc.
Embryologist
Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics.
License: 3435-CV
Embryologist. Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics. License: 3435-CV.