1 Department of Obstetrics and Gynaecology, King Edward Medical University, Lahore, Pakistan; Department of Community Medicine, King Edward Medical University, Lahore, Pakistan. Electronic address: mohammad.abdullahilyas@gmail.com.
2 Department of Obstetrics and Gynaecology, King Edward Medical University, Lahore, Pakistan; Department of Community Medicine, King Edward Medical University, Lahore, Pakistan. Electronic address: muhammadayyan@kemu.edu.pk.
3 Department of Obstetrics and Gynaecology, King Edward Medical University, Lahore, Pakistan. Electronic address: afrazahid1234@gmail.com.
4 Department of Obstetrics and Gynaecology, King Edward Medical University, Lahore, Pakistan. Electronic address: m.ehsanqadri@gmail.com.
5 Department of Obstetrics and Gynaecology, King Edward Medical University, Lahore, Pakistan. Electronic address: farwaathar@kemu.edu.pk.
6 Department of Obstetrics and Gynaecology, King Edward Medical University, Lahore, Pakistan. Electronic address: huzaifaahmadcheema@gmail.com.