WITHDRAWN: Response from original author: Reproducibility of first trimester three-dimensional placental measurements; a methodological issue.

The Publisher regrets that this article is an accidental duplication of an article that has already been published, DOI of original article: http://dx.doi.org/10.1016/j.ejogrb.2016.07.485. The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.