A 19-year-old woman gave birth to twins from different fathers after having sex with two men on the same day in Mineiros, Brazil. While it sounds bizarre, medical experts confirm that it can happen.

Brazilian woman, 19, 'gives birth to twins with DIFFERENT fathers after having sex with two men on the same day' Anonymous 19-year-old claimed paternity test revealed different fathers ...

Fraternal Twins: They are also known as dizygotic twins.They come from two separate eggs, fertilized by two different sperm. They also share about 50% of their genetic material, and have unique ...

Conjoined twins Marieme and Ndeye Ndiaye seem to be as similar as any two people can be, physically and genetically, but to their dad, Ibrahima Ndiaye, says the 6-year-oldscouldn't be more different.

Paternity suits triggered by strikingly different fraternal twins have revealed bizarre cases with two different fathers. Split paternity is the visible tip of a sizeable iceberg.

Conjoined twins Marieme and Ndeye Ndiaye seem to be as similar as any two people can be, physically and genetically, but to their dad, Ibrahima Ndiaye, says the 6-year-olds couldn't be more different.

VOORHEES, N.J. (WPVI) - A New Jersey family may have twin boys, but they will be planning separate birthday parties. The boys were not only born on different days but also in different years.