Can excessive menstrual bleeding (menorrhagia) cause iron deficiency anemia?

Updated: Sep 07, 2019
  • Author: James L Harper, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Excessive menstrual losses may be overlooked. Unless menstrual flow changes, patients typically do not seek medical attention for menorrhagia. If the clinician asks, these patients generally report that their menses are normal. Because of the marked differences among women with regard to menstrual blood loss (10-250 mL per menses), query the patient about a specific history of clots, cramps, and the use of multiple tampons and pads. For more information, also see Menorrhagia.

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