• S Lensen, L Sadler, and C Farquhar.
• Department of Obstetrics and Gynaecology, University of Auckland, Auckland, New Zealand s.lensen@auckland.ac.nz.
• Hum. Reprod. 2016 Jun 1; 31 (6): 1241-4.

Study QuestionWhat proportion of clinicians across Australia, New Zealand and the UK are currently offering or recommending endometrial scratching for subfertility?Summary AnswerEighty-three percent of clinicians responding to this survey are recommending endometrial scratching to women undergoing IVF.What Is Known AlreadyEndometrial scratching is currently being proposed as a technique to increase the probability of implantation in women undergoing IVF. While trial results provide evidence in favour of this procedure, there remains some uncertainty about both the extent of any beneficial effect and the subgroups of women most likely to benefit.Study Design, Size, DurationCross-sectional survey with responses from a total of 143 public and private fertility care providers surveyed between August and October 2015.Participants/Materials, Setting, MethodsAn online survey was distributed to all 189 fertility clinics across Australia, New Zealand and the UK. All clinicians, nurses and embryologists were eligible to take part. One hundred and forty-three of the 152 responses received were eligible for inclusion, with multiple responses per clinic in 33 cases. At least one response was received from 68 clinics (36% response rate per clinic).Main Results And The Role Of ChanceThis survey found that 83% of clinicians commend endometrial scratching prior to IVF. Of these, 92% recommend endometrial scratching to women with recurrent implantation failure (RIF) and 6% recommend it to all women having IVF. Most respondents (73%) agreed that the procedure is beneficial in women with RIF undergoing IVF and disagreed (53%) that the procedure is beneficial for women undergoing their first IVF cycle. The most common timeframe for performing endometrial scratching is the luteal phase of the cycle prior to the IVF cycle. Additionally, only 4% of clinicians recommend endometrial scratching to women undergoing intrauterine insemination or trying to conceive naturally.Limitations, Reasons For CautionFertility care providers who recommend endometrial scratching may be more likely to respond to the survey and this could exaggerate the use of the procedure reported here.Wider Implications Of The FindingsThis study was conducted across three countries and may be generalizable to similar settings. While this procedure already appears to be offered by the majority of respondents, the results of further studies in this area may further refine or expand the context in which this procedure is beneficial.Study Funding/Competing InterestsNo funding or competing interests.Trial Registration NumberN/A.© The Author 2016. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

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