Definition - What does Radio Frequency Identification Reader (RFID Reader) mean? A radio frequency identification reader (RFID reader) is a device used to gather information from an RFID tag, which is used to track individual objects. Radio waves are used to transfer data from the tag to a reader. RFID is a technology similar in theory to bar codes.
During pregnancy a womanâs blood volume doubles to support and nourish the growing fetus, meaning she needs even more daily iron to meet the blood count demands. A pregnant woman needs 27 milligrams of iron per day -- 30 percent more than when she's not pregnant. If you're breastfeeding, your iron needs decrease to 9 milligrams a day.
Calcium: Getting enough calcium continues to be important for women through their adult years. Adult women in their childbearing years should aim for between 1,000 mg and 1,300 mg of calcium a day. Iron: Iron, too, remains a critical nutrient. Adult women between the ages of 19 and 50 need 18 mg a day.