* ABO and Rh blood type distribution by country are based on population averages. But O-negative may still contain other Rh antigens, such as Rh(C), Rh(c), Rh(E) or Rh(e). It has been proven that the majority of mankind (85) has a blood factor common with the rhesus monkey.

Many scientists believe that modern man evolved from ape-like primates. Everybody has one of 4 blood types (A, B. One of the most unexplained blood types is Rh-negative and there is reason to think this blood type is of extraterrestrial origin. If you are pregnant and Rh-negative, you can get a shot of Rh immunoglobulin at least once during your pregnancy (or even after delivery if the baby is Rh-positive). Rhesus disease occurs during pregnancy when there is an incompatibility between the blood types of the mother and baby. The Oriental Jews of Israel, also have a high percent Rh negative, although most other. The average among most people is only 157-Rh negative, while some groups have very little. About 30 have (rr) Rh negative and about 60 carry one (r) negative gene. However, there are ways to prevent Rh-sensitization. The Basque people of Spain and France have the highest percentage of Rh negative blood. When Rh-sensitized, your body can create antibodies that could conceivably cross the placenta and attack the fetus' red cells. If you are Rh-negative and pregnant, then there is a possibility you may get sensitized during pregnancy or delivery, and this can affect your next pregnancy. Here are a few important things about A-negative blood type donation. It is worth mentioning that A-negative blood type is quite rare and is only 6 of the population has it. What does Rh negativity mean for pregnancy? In general, there are four main blood types or blood groups A, B, AB, and O with both Rh negative and Rh positive variants for each group. You usually inherit blood type from your parents, especially when you have an Rh-negative type. Get the app! ABO and Rh blood type distribution by country *

The universal red cell donor has Type O negative blood type. The presence or absence of different antigens determines immune reactions that must be taken in consideration in cases of blood donation.

Get expert guidance and personalized insights to stay healthy through every week of your pregnancy. With the discovery of the Rhesus system that classifies blood into Rh positive and Rh negative, nowadays there are eight different blood types amongst the population.

Rh negative blood type