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
2 thoughts on “Obstetrics and Gynecology (3) for USMLE, MCCEE, PLAB, FCPS, PDMC,MRCP………”
Please refer some books where these kind of case study questions are given which are useful in all kinds of post graduate entrances ( just not USAMLEE)
These questions are for all medical boards and not only for USMLE. I am adding questions almost everyday to help all medical students and graduates. Thank you for your comment.