3 March، 2026
A master’s thesis presented by Maha Fares Mahmood “Estimation of Gestational Age in Pregnant Ewes Using Trans-abdominal Ultrasonographic Measurements”

Master’s Thesis Defense
A Master’s thesis was defended at the College of Veterinary Medicine, Department of Surgery and Animal Reproduction, entitled:
“Estimation of Gestational Age in Pregnant Ewes Using Trans-abdominal Ultrasonographic Measurements”
by the student Maha Fares Mahmood, under the supervision of Prof. Dr. Dhafer Mohammed Aziz, on Sunday, March 1, 2026.
The examination committee consisted of the following members:
Prof. Dr. Mohammed Abdulilah Aziz Rahawi (College of Veterinary Medicine – University of Mosul) – Chair
Assist. Prof. Dr. Baraa Duraid Ibrahim (College of Veterinary Medicine – University of Mosul) – Member
Assist. Prof. Dr. Issam Behnan Basheer (College of Veterinary Medicine – University of Mosul) – Member
Prof. Dr. Dhafer Mohammed Aziz (College of Veterinary Medicine – University of Mosul) – Member and Supervisor
The study aimed to estimate gestational age in Awassi ewes using transabdominal ultrasonography. Measurements included placentome length, placentome height, fetal length, head diameter, chest diameter, heart diameter, and intercostal distance. Based on the relationship between these measurements and gestational age, seven equations were developed to estimate gestational age.
The study recommended relying on fetal length to estimate gestational age as long as the fetus appears fully in the ultrasound images, and adopting fetal heart diameter measurements when the fetus grows larger and exceeds the ultrasound imaging range.
After the student defended her thesis scientifically and confidently, and following thorough discussion by the committee, the thesis was approved.
Congratulations to the researcher, the supervisor, the College, and the Department of Surgery and Animal Reproduction on this scientific achievement. Best wishes to the examination committee for their efforts.
This defense comes within the framework of achieving the first Sustainable Development Goal (No Poverty), the third goal (Good Health and Well-being), the fourth goal (Quality Education), and the fifteenth goal (Life on Land).
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