It comes as an incredible new when a woman gave birth to the twins with two different dads. However, the new mum named her current boyfriend as the father of twins. But the lady named T.M. confessed while signing the maternity papers that after she had conceived with her current boyfriend; she slept with another man after a week. Henceforth, paternity tests were carried and it was revealed that twins have got different fathers.
Medically it is almost impossible but it can happen if the woman has s3x with two different men within a week. The process is called heteropaternal superfecundation. In this process, during menstrual cycle, a woman releases two eggs and these two eggs are fertilized by different man. Same man fertilizing the two eggs during separate incidences of s3x is a common occurrence but it is rare in case of two different men.