You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 23 years old asymptomatic female has MCV-70fl, ferritin - 100g/L, Hb-10gm%. Which of the following is the most likely cause? and explain in detail?
This patient presenting with mild degree of microcytic anemia (MCV=70) with normal ferritin levels (100pg/L) suggesting a diagnosis of thalassemia trait. Patients with beta thalassemia trait often presents as mild microcytic hypochromic anemia with target cells. Their mean corpuscular volume is rarely >75 fL and the hematocrit is rarely . Ref: Wintrobe's Atlas of Clinical Hematology By Douglas. C. Tkachuk, Jan.V.Hirschmann, Page 14; Harrison's Principles of Internal Medicine, 18th Edition, Chapters 104-105; CURRENT Medical Diagnosis and Treatment, 2012, Chapter 13