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Update 12 , 417435 (2006)
The test does not predict exact B12 response or absorption rates
Bring details such as: First day of the last 3 periods How heavy the bleeding was Any spotting between periods Recent weight and appetite changes Pregnancy test result, if relevant Other symptoms like acne or pelvic pain Current medicines and birth control Seek urgent care for bleeding that soaks through a pad or tampon every hour for 2 hours or more, fainting or near-fainting, severe one-sided pelvic pain, or bleeding with a positive pregnancy test
10.1073/pnas.0434590100 72 MatsuiJ
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