Ozlem Bulbul, Gonul Filoglu and Havva Altuncul
Superfecundation is the fertilization of two or more ova from the same cycle by sperm from separate acts of
sexual intercourse. Heteropaternal superfecundation occurs when two different males father fraternal twins. This article reports a case of paternity identification in twins. The results showed that each twin had come from a different father.