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What blood type will my child have?

You will calculate with fairly high accuracy the likelihood of your baby having a particular blood group.
Select the mother's blood group and father's blood group.

Child's blood group

Usefull information
The discovery of blood types was made by the Austrian scientist Karl Landsteiner in 1901. On the other hand, Ludwik Hirszfeld, together with Emil von Dungern, created the foundations of the science of blood groups, introducing them with the symbols A, B, AB, and 0, which was then adopted all over the world in 1928. At the same time, he was the first to deal with the inheritance of blood group differentiation, which he used to rule out uncertain paternity.

The Rh system is the most complex human group system. The system is named after the Rhesus monkey species from which Rh + cells were first obtained. Rh antigens are found only on red blood cells. They appear around the 6th week of gestation and are highly immunogenic from the very beginning.

The most popular blood group in Poland is 0+ and A + - over 60% of Poles have them. Rh + factor is almost 85% of people, negative - just over 15%.
Blood types on Wikipedia

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Online calculator

M+

M-

log

10^x

asin

acos

atan

e^x

sin^-1

cos^-1

tan^-1

sin

cos

tan

√

x²

1/x

x^M

(

)

exp

M+

M-

sin