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  1. HealthUnited Kingdom

    UK: embryo freezing is 5.5 times as common as in 2014

    Freezing cycles+450%−200%0%+200%+400%+600%201420162018202020222024Change since 2014

    In 2024 there were 10,447 embryo-freezing cycles, up from 1,901 in 2014. A cycle is one procedure, not one embryo.

    Source: Human Fertilisation and Embryology AuthorityOpen on the chart →
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    Storage cycles are counted, not embryos or families. A patient may undergo multiple treatment types.

    One percentage scale relative to 2014: 0% is the starting value, +100% is a doubling, −50% is a halving. Lines show the yearly path; on a short screen, bars show the change to 2024. Equal distances mean equal relative changes. For shares, this is relative change, not percentage points. Gaps are not filled; original values and units are below.

    Published values for the selected period without interpolation. The headline describes an observation, not a causal effect.

    UK licensed clinics; one clinic excluded. Treatment-start year. 2020–21 are preliminary; 2024 birth outcomes are preliminary and may be revised. Patients overlap across treatment types. Cycles, patients, embryos and birth occurrences differ. The data do not establish causes of change.

    A question for this picture

    Do frozen transfers follow the rise in freezing?

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