Most common cause of first trimester aboion:: (A) Genetic factors, (B) Endocrine disorders, (C) Immunological disorders, (D) Infection
Answer is A. Common Causes of aboion First trimester: 1. Genetic factors (50%) 2. Endocrine disorders (luteal phase defect, thyroid abnormalities, and diabetes) 3. Immunological disorders (autoimmune and alloimmune) 4. Infection 5. Unexplained