All the following are true regarding superfecundation, EXCEPT:
It is the feilization of 2 ova discharge at the same by 2 separate acts of coetus
Is associated with foetus papyraceus
The development of the twins in the uterus is equal
The spermatozoa causing the feilization may be from 2 different men
In case of superfecundation the development of the twins in uterus is parallel but not equal. It depends on the relative blood supplies from the separately formed placentae. Also know Superfoetation - is the feilization of a second ovum in a woman who is already pregnant. Ref: Textbook of Forensic Medicine and Toxicology by Narayan Reddy, Edition 21, Page - 334