Compound presentation means prolapse of fetal extremity alongside the presenting part it is three types: 1.prolapse of the hand in cephalic presentation. (most common) 2.prolapse of the lower extremity in breech presentation. 3.prolapse of lower extremity in cephalic presentation. (relatively rare)
compound presentations uncommon occur only 1 in 1000 pregnancies.
References
Compound presentation Wikipedia(Text) CC BY-SA