Ovarian Hyperstimulation Syndrome

Health written question – answered at on 24 June 2014.

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Photo of Jim Dobbin Jim Dobbin Labour, Heywood and Middleton

To ask the Secretary of State for Health how many women were admitted to hospital with ovarian hyperstimulation syndrome in each of the last five years for which figures are available; how many adverse incidents were recorded in licensed clinics in that period; and what the severity grading of each such incident was.

Photo of Jane Ellison Jane Ellison The Parliamentary Under-Secretary of State for Health

The Human Fertilisation and Embryology Authority (HFEA) has advised that the data it holds on these issues are as follows:

  Total number of incidents reported Severity: Grade A Severity: Grade B Severity: Grade C Not an incident/near miss
2009-10 497 7 308 146 36
2010-11 586 1 292 255 38
2011-12 571 3 206 308 54
2012-13 503 0 183 261 59
2013-14 506 4 203 255 44

Of these, the number of cases of ovarian hyperstimulation syndrome (OHSS) reported to the authority is as follows:

  Number of OHSS Moderate Severe
2009-10 121 1 120
2010-11 221 122 99
2011-12 241 196 45
2012-13 179 134 45
2013-14 192 142 50

The HFEA has also advised that licensed fertility clinics are only required to report instances of OHSS to the authority that require a hospital admission with a severe grading, although in practice clinics often report moderate OHSS as well.

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