Deep transverse arrest is most commonly seen in which type of pelvis?
Deep transverse arrest is most commonly encountered in android pelvis. Deep transverse arrest occurs when the fetal head lies in the transverse diameter, deep in the pelvis and there is a considerable delay. Android pelvis is a pelvis with converging side walls, straight sacrum and a narrow sub pubic arch.
Anthropoid pelvis
Android pelvis
Gynaecoid pelvis
Platypelloid pelvis