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8553 Gynaecology & Obstetrics

A 28-year-old G1P0 woman is diagnosed as having a twin gestation at 15 weeks gestation. Careful examination of the membranes reveals that there is a very thin membrane between the two fetuses. Which of the following statement is most accurate

AIt is likely that this is a monozygotic gestation. (Correct Answer)
BIt is likely that this is a dizygotic gestation.
CIt is likely that there are two separate placentas.
DIt is likely that one fetus is a male and the other a female.