Mr Abdallah has over 18 years of experience in gynaecology. He currently practices as a Consultant Gynaecologist & Endometriosis Specialist at Sheffield Endometriosis Centre, Sheffield Teaching Hospitals NHS Foundation trust. He specialises in the diagnosis and treatment of endometriosis and endometriosis-related pelvic pain, medical and surgical treatment of endometriosis and minimal access surgery (Keyhole surgery).

The scope of his practice also includes management of period problems including heavy, painful and irregular periods, medical and surgical treatment of fibroids and management of pre- and post-menopausal ovarian cysts.

The surgical interventions he offers include laparoscopic diagnosis and treatment of endometriosis and dye test, laparoscopic ovarian cystectomy, laparoscopic hysterectomy, laparoscopic removal of tubes and ovaries and laparoscopic sterilization. He is also experienced in hysteroscopic diagnosis and treatment of abnormal bleeding conditions, polypectomy procedures, Insertion and removal of coils and endometrial biopsies. Open abdominal hysterectomy and open ovarian cystectomy are also one of his surgical expertise.

Mr Abdallah is an honorary senior lecturer at The University of Sheffield and is a medical appraiser at Sheffield Teaching Hospitals. Mr Abdallah was the former RCOG college tutor for obs and gynae trainees at Sheffield Teaching Hospitals. Teaching and training have always been an inspiring and fruitful aspect of his career.

He has led several service improvement projects over the years which have been highlighted in medical journals and published at national and international gynaecological meetings.