Enter your Mother's Blood Type and Father's Blood Type into the Rh Factor Inheritance Calculator to find the probability that your child will be Rh Positive or Rh Negative — because yes, even blood type is a roll of the genetic dice.
Rh Positive Probability
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Rh Negative Probability
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Rh factor is inherited through genes. If both parents are Rh+, the child has a 75% chance of being Rh+ and 25% chance of being Rh-. If one parent is Rh+ and the other is Rh-, there's a 50-50 chance. If both parents are Rh-, the child will be 100% Rh-.
Yes, if both parents are Rh+ but carry a recessive Rh- gene, their child can be Rh-. This happens in about 25% of cases when both parents are heterozygous Rh+.
This can cause Rh incompatibility, where the mother's immune system may attack the baby's red blood cells. This is prevented through Rh immunoglobulin injections during pregnancy and after delivery.
Rh positive is much more common, found in about 85% of the population. Only about 15% of people are Rh negative, making it the minority blood type.
Yes, if both Rh+ parents carry the recessive Rh- gene. In this case, there's a 25% chance their child will be Rh negative, inheriting the recessive gene from both parents.
Yes, Rh factor is crucial for blood transfusions and organ transplants. Rh- individuals can only receive Rh- blood, while Rh+ individuals can receive both Rh+ and Rh- blood.
Genetic inheritance follows Mendelian principles and is highly predictable for Rh factor. However, this calculator provides probability estimates based on typical inheritance patterns - actual results may vary due to rare genetic variations.