Funding for this research was provided by:
Tianjin Municipal Health Bureau (2018-S-wq3)
Text and Data Mining valid from 2019-05-27
Received: 5 October 2018
Accepted: 17 May 2019
First Online: 27 May 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Review Committee of Fuzhou Municipal First Hospital Affiliated to Fujian Medical University (approval no. FZSY-201700132). Written informed consent was obtained from the fetus’s parents following a detailed description of the study purpose. All experimental procedures described in this study were in accordance with international and national laws, regulations and guidelines.
: The pregnant woman and her husband involved in this study agreed to publish related demographic and clinical features.
: The authors declare that they have no competing interests.