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1- Nursing and Midwifery Care Research Center, Health Management Research Institute, Iran University of Medical Sciences, Tehran, Iran.
2- Family Research Institute, Shahid Beheshti University, Tehran, Iran.
3- Tufts School of Medicine, Department of Public Health and Community Medicine, Boston, USA.
4- Nursing and Midwifery Care Research Center, Health Management Research Institute, Iran University of Medical Sciences, Tehran, Iran. ,ranjbar.f@iums.ac.ir
2- Family Research Institute, Shahid Beheshti University, Tehran, Iran.
3- Tufts School of Medicine, Department of Public Health and Community Medicine, Boston, USA.
4- Nursing and Midwifery Care Research Center, Health Management Research Institute, Iran University of Medical Sciences, Tehran, Iran. ,
Abstract: (5 Views)
Conducting longitudinal interventional research in developing countries presents unique challenges that can significantly impact study outcomes. This letter shares lessons from a clinical trial with an extended follow-up period and reports the obstacles researchers faced. Identifying these obstacles can be beneficial for future research.
Type of Study: Letter to the Editor |
Subject:
Midwifery
Received: 2025/12/28 | Accepted: 2025/12/22
Received: 2025/12/28 | Accepted: 2025/12/22
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