Which of the following is true regarding superfecundation?

Both ova do not always develop to maturity Superfecundation : Is feilization of 2 ova discharged from the ovary at the same period by 2 separate acts of coitus committed at sho intervals. Both ova do not always develop to maturity. One fetus may get aboed early or die and get retained until labour. Superfetation : Feilization of a second ovum in a woman who is already pregnant is superfoetation. It can occurs in a bipaite uterus. Superfoetation Superfecundation A long interval intervenes between feilization. Requires ovulation and feilization during the course of an established pregnancy. Unproven to occur in humans. Feilization of 2 ova within the same menstrual cycle but not at the same coitus,nor necessarily by sperm from the same male.