We, the Publisher and Editor of Human Fertility, are issuing an Expression of Concern for the following article:
Shahnaz Ahmadi, Mehri Jamilian, Maryam Karamali, Maryam Tajabadi-Ebrahimi, Parvaneh Jafari, Mohsen Taghizadeh, Mohammad Reza Memarzadeh & Zatollah Asemi (2017) Probiotic supplementation and the effects on weight loss, glycaemia and lipid profiles in women with polycystic ovary syndrome: a randomised, double-blind, placebo-controlled trial, Human Fertility, 20:4, 254–261, DOI: 10.1080/14647273.2017.1283446
Since the publication of this article, serious concerns have been raised about the integrity of the reported methods, results and analysis. We have contacted the authors and the ethics committee of the institution to respond to the concerns raised and they are cooperating with the investigation. However, the authors have not been able to provide the original data associated with this article, and so as we continue to work through the issues raised, we advise readers to interpret the information presented in the article with due caution. We will provide an update following the conclusion of our investigation. The authors have been notified about this Expression of Concern.