Monozygotic twins cannot have different fathers. However, fraternal twins are the result of hyperovulation, the release of multiple eggs in a single cycle. Superfecundation describes a situation where the eggs are fertilized by sperm from separate incidences of sexual intercourse. fraternal twins two different dads Hilda Hutcherson, a clinical professor for obstetrics and gynecology at Columbia University, said fraternal twins come when a women releases two eggs during ovulation instead of one and both eggs are then fertilized. With bipaternal twins, she said, each egg is fertilized by a different man's sperm.
Fraternal twins occur when women ovulate two healthy eggs and both get fertilized. And every now and then, superfecundation happens: Two eggs are ovulated during the same cycle and fertilized at different points within the sixday fertility window, resulting in a bouncing pair of twins. fraternal twins two different dads
How can the answer be improved? It is possible for twins to have different fathers in a phenomenon called heteropaternal superfecundation, which occurs when two of a womans eggs are fertilized by sperm from two different fraternal twins two different dads