The most traumatic emotions are stored in the right brain stem, disconnected from conscious memory. Prenatal and birth traumas are often not remembered. One can use chakra breathing and gentle tapping to release. The sense of touch is connected to be right brain stem.
From the feet to legs, chest, back and head, gently tap everywhere. Focus your awareness on the body sensations. When there is a physical response such as shaking, heat or cold, or mental images, allow them to come and go. Do not repress the response. If the emotions become too intense, one can use eye rolling to release.