According to the 2025 Annual DNA Testing Report by Smart DNA, Nigeria’s paternity exclusion rate currently stands at 25 per cent. Step-by-Step DNA Testing ProcessADVERTISEMENTConsultation : Discuss goals (legal vs. personal)Sample Collection : Cheek swabs or blood draws. How Much Do DNA Tests Cost in Nigeria? DNA testing in Nigeria is expensive, with costs depending on the provider and test type:N290,000 (with a four-week turnaround, according to Surge Healthcare). Traditional Methods of Determining Paternity in NigeriaADVERTISEMENTBefore the rise of scientific DNA testing, many Nigerian communities relied on cultural practices to settle questions of paternity.