前几天问坛子没有人回答，正好周末体检，问了家庭医生。她说就是MCV， 平均红细胞体积 (mean corpuscular volume, MCV)。如果贫血，你的MCV又大于 100, 有一项可能因素就是叶酸低引起的。
How is folic acid deficiency diagnosed?
How Is It Diagnosed? To check for folate deficiency anemia, your doctor will ask you about your symptoms. They might also order blood tests and a complete blood count (CBC) test to measure the number and appearance of your red blood cells. If you have a lack of folate, your red blood cells look large and immature