Complex sentence: The South London Hospital for Women offered her a consultant post in 1952, after she had been there for three years, however, she had a young child by then and her husband John, was now appointed consultant in obstetrics and gynaecology in Portsmouth.
Split into simpler sentences: The South London Hospital for Women offered her a consultant post in 1952, after she had been there for three years. However, she had a young child by this time and her husband John, was now appointed consultant in obstetrics and gynaecology in Portsmouth.