Complex sentence: She began research on neurosis in Egyptian women, during which she met a doctor at Qanatir Prison who talked to her about the inmates, including a female prisoner who had killed a man and had been sentenced to hanging.
Split into simpler sentences: She began research on neurosis in Egyptian women, and in the course of this work she met a doctor at Qanatir Prison with whom she had many discussions regarding the prisoners there. It was during the course of this relationship that she learned of a female prisoner who had killed a man and had been sentenced to hanging.