Considering the circumstances and the preliminary workup, what type of anemia does Ms. A most likely have?

Based on the preliminary workup, Ms. A most likely has a type of anemia known as iron deficiency anemia. This is due to her laboratory results suggesting that her hemoglobin levels and red blood cell counts are low while at the same time ferritin levels are also decreased – indicating that she may be suffering from a lack of iron in her body. Additionally, factors such as recent heavy menstrual bleeding or chronic disease can further contribute to her condition by reducing hemoglobin concentrations which could result in symptoms such as fatigue and shortness of breath.

Overall, considering Ms. A’s circumstances it seems likely that she is suffering from iron deficiency anemia – however additional tests should be performed to rule out other potential causes before initiating treatment so that correct diagnosis can be made.