If there is an amount in both boxes 6 and 11, for a tax-exempt obligation that. is a covered security acquired on or after January 1, 2017, and issued with OID, the amount in box 6 shows the amount of acquisition premium amortization for. the year that reduces the amount of your tax-exempt OID for the year.
Excessive blood loss. 1  Blood loss from the gastrointestinal (GI) tract is the most common cause of IDA in adult men and postmenopausal women. 2  Blood loss due to menorrhagia is the most common cause of iron deficiency in pre-menopausal women.
In these patients it took 1-2 years to increase the storage of iron. According to Annibale and colleagues, one explanation for the slow recovery of iron reserves may be that most of the patients were younger women. Blood loss during the menstrual cycle is the most common cause of anemia in premenopausal women.