Is the change in the shape of the head, which is adapting itself with its soft skull bones, which can compress in one direction and expand in the other direction, due to the pressure exerted on the fetal head as it moves through the birth canal.
- No damage is done to the brain.
- Disappears shortly after birth, but usually last up to 7 days.
- Generally occurs in persistent occipito-posterior (OP) positions.
Is the formation of a generalized edematous swelling, due to pressure exerted on the fetal head.
- Cross suture lines & fontanelles.
- Disappears shortly after birth.
Is bleeding beneath or under the periosteum, due to pressure exerted on the fetal head when delivery is prolonged, rapid compression/decompression or manual/instrumental rotation or forceps.
- Cross suture lines & fontanelles
- Can increase jaundice & irritability from head pain.
- May not be visible until a day or two after birth.