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22 February 2012

Summary of request

The Authority was asked for an update to the data released in response to a previous request  (ref number F-2010-00199), which covered the number of cycles of IVF treatment that took place, the number of patients treated and the number of babies born as a result, categorised according to the relationship of the patient at the time of treatment.

HFEA response

The information requested is set out in the attached document. This information was extracted from the HFEA’s data warehouse containing Register data on 20-02-2012. Please note that the information in our database may be subject to change as licensed centres notify us of information that updates or corrects information they have previously supplied. Cycle and patient data have been verified up to 31 December 2010 and live births up to 31 December 2009. These data have been subject to a verification process, and the centres that supplied the data have been asked to confirm their accuracy, for which they remain responsible.

• Release package (180kb)

As with the previous data release, all treatment cycles involving either solely IVF or ICSI or both are included, the year is that in which the treatment cycle started, and please be aware that some patients may have had treatment in more than one of the years considered. Also, patients may change their partner at some stage in their treatment history. Such changes in partner are submitted as corrections the patient registration form, however, only the final, amended version of the form is easily available for query. This means that the above data may not reflect the original partner category for a particular patient if this changed during their treatment history over the time period considered.  In addition, it is likely that most real changes in partner will not result in a change of partner category. This means that the total number of changes in partner category during the treatment history of patients in the above data is relatively small.

There are some differences between the figures published here and previously in 2010. These are attributable to a number of factors including: centres correcting data during the verification process; for treatment cycles starting in 2009, not all outcomes would have been reported at the time of the previous publication; improved methods of identifying unique patients; and the number of babies born in the attached table includes those that subsequently suffered neonatal death, whereas the previous table did not. These criteria bring the released data in line with definitions used in current HFEA statistical reports.

Page last updated: 17 August 2012

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