The answer is C) All of the above are correct. Eating meat like deer can get iron in your diet because Deer eat plants. Plants have Iron in them. And a good amount. Eating green leafy vegetables is good because like I said, Leafy vegetables carry a good amount of Iron. Taking an Iron supplement is also good, because it's iron. A straigth way to get it into your system.
Pelvic inflammatory disease is the most likely cause in 99% of studies on this matter