1. Definition of Paternity Establishment Paternity establishment is defined as: The attribution of a child to their true biological or legal parents using scientifically and legally recognized methods. It is considered one of the most important applications of forensic medicine in the fields of personal status law and criminal justice. 2. Indications (Reasons) for Paternity Establishment Paternity testing may be required in the following situations: 1. Marital disputes o Denial of fatherhood by the alleged father. o Questioning the legitimacy of a child after divorce or separation. 2. Children of unknown parentage o Foundlings or abandoned children. 3. Sexual assault cases o Such as pregnancy resulting from rape. 4. Suspected baby swapping o In hospitals or childcare institutions. 5. Immigration and identity issues o Family reunification or proof of biological relationship. 6. Inheritance and child support o Determining rightful heirs or financial responsibility for the child. 3. Methods of Paternity Establishment A. Traditional (Conventional) Methods • Presumption of legitimacy (marriage) A legal principle stating that a child born during a valid marriage is presumed to be the husband’s child. • Acknowledgment Voluntary admission of paternity by the alleged father. • Witness testimony Statements given before the court. • Physical resemblance Similarity in physical features (not scientifically reliable). • Blood group testing (ABO system) Can exclude paternity but cannot definitively confirm it. B. Modern (Scientific) Methods a. DNA Fingerprinting (Genetic Testing) This method compares the genetic material of the child with that of the alleged parents using techniques such as: • Polymerase Chain Reaction (PCR) It is: • The most accurate method for establishing paternity. • Has an accuracy exceeding 99.99%. • Legally accepted in most countries worldwide. b. Y-Chromosome Analysis • Used to establish paternal lineage. • Particularly useful in the absence of the father. c. Mitochondrial DNA (mtDNA) Analysis • Used to establish maternal lineage. 4. Criminal (Forensic) Applications of Paternity Testing 1. Proof in rape cases o Matching fetal DNA with that of the suspect. 2. Incest cases o Determining biological relationships between individuals involved. 3. Infant swapping or abduction o Comparing the genetic profile with potential parents. 4. Human trafficking o Verifying true biological relationships. 5. Identification of unknown bodies o Especially in mass disasters or criminal cases. 6. Affirmation or exclusion of paternity in criminal proceedings o Such as cases involving illicit pregnancy (depending on local legislation). 5. Legal Importance • Protection of children’s rights. • Determination of criminal responsibility. • Ensuring justice in family-related disputes. • Prevention of identity fraud.