Superfecundation
As Überschwängerung or as Superfekundation or Superfecundatio the fertilization of an ovum second is referred to in the same menstrual cycle by a second act of copulation in humans or other mammals.
This can result in the discharge of a twin pregnancy ( fraternal twins with different fathers possibly ).
See also: superfetation
Swell
- Obstetrics and Gynecology