RH factor
US /ˌɑːr eɪtʃ ˈfæk.tər/
UK /ˌɑːr eɪtʃ ˈfæk.tər/
1.
Rh因子, 恆河猴因子
a group of antigens on the surface of red blood cells, important for blood transfusions and in pregnancy
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Blood type O negative means you have no A, B, or Rh factor antigens.
O型陰性血意味著你沒有A、B或Rh因子抗原。
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The doctor checked her Rh factor during her first prenatal visit.
醫生在她第一次產前檢查時檢查了她的Rh因子。