Ethical consideration
The study design was approved by the Research Scientific Ethical Committee (RSEC), Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Egypt (reference number I20015). Confidentiality and personal privacy were respected at all levels of the study. Patients felt free to withdraw from the study at any time without any consequences. The collected data were not and will not be used for other purposes. All methods were carried out per relevant institutional guidelines and regulations.