Blood Type Calculator

Knowing your blood type can be crucial in many situations, from medical emergencies to pregnancy. This Blood Type Calculator helps you estimate the blood type of a child based on the parents’ blood types.

Blood type calculator

Child Blood Type Calculator
Mother's Blood Type
Father's Blood Type

RESULTS

Fill the calculator form and click on Calculate button to get result here
Possible Blood Type

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How the Blood Type Calculator Works

  1. Select the blood types of both parents.
  2. Click “Calculate” to view the possible blood type(s) of the child.
  3. The calculator will display the child’s potential blood types, based on genetics.

Example of Blood Type Inheritance

Parent Blood Type Possible Child Blood Type
A + B A, B, AB, O
A + A A, O
O + O O

Understanding Blood Types

Blood types are classified into four groups: A, B, AB, and O. These groups are determined by the presence or absence of antigens (A or B) on the surface of red blood cells. Additionally, each blood type can be positive (+) or negative (-) based on the presence of the Rh factor.

What Affects Blood Type?

Blood type inheritance follows simple genetic rules:

ABO System

Blood type is determined by the ABO gene. Each person inherits one allele from each parent.

Rh Factor

This is controlled by the Rh gene. A person is Rh positive if they inherit one positive Rh factor, otherwise, they are Rh negative.

Why Blood Type Matters

1. Transfusions

Certain blood types can only receive blood from compatible donors.

2. Pregnancy

Blood type compatibility between mother and child can impact health during pregnancy.

3. Health Risks

Some studies suggest that blood type may affect the risk of certain diseases

Also, try our Cholesterol Calculator, understand your cholesterol levels, and take charge of your heart health.

Possible Blood Types and Rh Factor Inheritance Based on Parents’ Blood Types

Parent 1 Blood Type Parent 2 Blood Type Possible Blood Types of Children Rh Factor Possibilities
A A A (75%), O (25%) + (varies based on Rh factors of parents)
A B A (25%), B (25%), AB (25%), O (25%) + (50%), – (50%)
A AB A (50%), B (50%) + (50%), – (50%)
A O A (50%), O (50%) + (75%), – (25%)
B B B (75%), O (25%) + (varies based on Rh factors of parents)
B AB B (50%), A (50%) + (50%), – (50%)
B O B (50%), O (50%) + (75%), – (25%)
AB AB A (25%), B (25%), AB (50%) + (50%), – (50%)
AB A A (50%), AB (50%) + (50%), – (50%)
AB B B (50%), AB (50%) + (50%), – (50%)
AB O A (50%), B (50%) + (50%), – (50%)
O O O (100%) + (75%), – (25%)
O A A (50%), O (50%) + (75%), – (25%)
O B B (50%), O (50%) + (75%), – (25%)
O AB A (25%), B (25%), O (50%) + (50%), – (50%)

Also, try our Reticulocyte Calculator, and find your reticulocyte count for insights into your overall blood health.

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