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Your Embryo is a Passenger, Mind the Cold Corridor! – Fertility Plus
Jun 25, 2026, 13:58

Your Embryo is a Passenger, Mind the Cold Corridor! – Fertility Plus

Fertility Plus shared a post on LinkedIn:

“Your embryo is a passenger. Mind the cold corridor.

Picture your embryo as a passenger being moved between two warm lounges. The incubator is warm. The womb is warm. But the corridor between them is open and cold, and your embryo has to cross it.

That corridor is the transfer catheter, the fine tube that carries the embryo from the lab to the womb. It has no heating, so the moment it leaves the incubator, its tip starts drifting towards room temperature. A study of 486 frozen transfers found that quicker crossings were linked to higher pregnancy rates: 55.6% when done under 27 seconds, against 41.1% at 34 seconds or more.

You cannot warm the corridor yourself. But you can be cared for by a team that crosses it quickly and smoothly, and that efficiency in the transfer room is part of the medicine, not just admin.

Fertility Plus

Location: 92 Harley Street, London
Phone: 0800 022 6038.”

Your Embryo is a Passenger, Mind the Cold Corridor! – Fertility Plus

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