Actor Vicky Kaushal’s latest film Bad Newz, which released on July 19, depicts a rare and unique phenomenon called heteropaternal superfecundation, which means the same pregnancy but different biological fathers.

This biological phenomenon, about which very few people know, sees Saloni (played by Tripti Dimri) having sex with two partners, resulting in the birth of twins from both partners.

Understanding what heteropaternal superfecundation is

Heteropaternal superfecundation occurs when two or more eggs from the same menstrual cycle are fertilized by sperm from different males.

This can happen when a woman has sex with multiple partners in a short period of time, resulting in the fertilization of multiple eggs by different sperm.

As a result, twins or multiples may be born to different fathers.

Though this phenomenon is rare, it is scientifically possible. It is usually seen in animals, but instances have been recorded in humans as well.

This requires several specific conditions: the release of multiple eggs, mating with different partners during a short reproductive period, and sperm from different males surviving long enough to fertilize different eggs.

The science behind it

For heteropaternal superfecundation to occur, a woman must produce more than one egg during her cycle.

If she has sex with different partners close to the time of ovulation, each partner’s sperm could potentially fertilize different eggs.

Human sperm can survive for up to five days inside the female reproductive tract, increasing the chance of fertilization.

Confirmation of heteropaternal superfecundation usually requires genetic testing. In cases where twins are born with obvious differences in appearance, paternity testing may reveal that each child has a different father.

Real-life instances of heterosexual microaggression, while rare, present significant legal and social challenges.

Issues of paternity, child support and family relationships become incredibly complex. Each case requires careful legal and scientific investigation to understand the specific circumstances.

Bad News not only entertains but also educates the audience about this small incident. It depicts the emotional turmoil of the characters and addresses the scientific and ethical questions that arise from such a situation.