The after coming head of the baby in a breech delivery can be arrested by all of the following except:: (A) Extended head, (B) Hydrocephalus, (C) Placenta pre, (D) Incomplete dilatation of the cervix
Answer is C. If a whole baby can make its way from breech onwards till the head, then even if there is a placenta pre, it will not obstruct the fetal head to come though since there was no obstruction to the whole fetus.