The MSc. Candidate (Najla Salem Mohammad Ali) defended her thesis entitled “A Hormonal and Biochemical Study of The Effect of Vitamin D3 on Female Sterility” at the college of Education for Girls . The viva took place in the presence of the President of the University of Mosul, Dr. Qossay Kamalaldeen Al-Ahmady and the Dean of the College of Education for Girls Prof. Dr. Dhumyaa Ali Abdulla .