Twin pregnancy, but due to two different men cause is ?
Ans. is 'c' i.e., Both of the above Superfecundation : Two ova are released in the same cycle get feilized, either during the same act of coitus or during the separate acts. There is a possibility of the twin having two fathers. Superfaetation : (i) During the continuation of development of fetus, another ova released in a subsequent cycle get feilized and stas developing as a second fetus. This can result in (a) Twin having two fathers, (b) Two children being born together with different stages of development, (c) Female may deliver twice within 1-3 months
Superfactation
Superfecundation
Both of the above
Not a realistic situation