Wulaoer Tools

Child Blood Type Calculator

See the possible blood types a child can inherit from two parents.

Parent 1
Parent 2

This lists possible ABO and Rh types from simple Mendelian inheritance. Actual inheritance can involve rare variants. For reference only — not medical advice.

Possible blood types

The child could be any of the following:

  • APositive (Rh+)
  • ANegative (Rh−)
  • OPositive (Rh+)
  • ONegative (Rh−)

How to use

  1. 1Select each parent's ABO and Rh type.
  2. 2Read the list of possible child blood types.

Examples

A × B parents
Children may be A, B, AB or O depending on the alleles.