A 21 year old woman G1P0 on her 5th month of pregnancy visits her doctor for a prenatal visit. Her ultrasonography shows twin pregnancy, a male and a female.
Which of the following is the most likely type of placenta found in this pregnancy?
A- Monochorionic monoamniotic
B- Monochorionic diamniotic
C- Dichorionic monoamniotic
D- Dichorionic diamniotic
The placenta of different gender twins (fraternal twins) is most likely to be dichorionic diamniotic.
The correct answer is D