In the introduction of the book Call the Midwife Jennifer Worth says
Early marriage was the norm. There was a high sense of sexual morality, even prudery, amongst the respectable people of the East End. Unmarried partners were virtually unknown, and no girl would ever live with her boyfriend. If she attempted to, there would be hell to pay from her family. What went on in the bomb sites, or behind the dustbin sheds, was not spoken of. If a young girl did become pregnant, the pressure on the young man to marry her was so great that few resisted. Families were large, often very large, and divorce was rare. Intense and violent family rows were common, but husband and wife usually stuck together. Few women went out to work. The young girls did, of course, but as soon as a young woman settled down it would have been frowned upon. Once the babies started coming, it was impossible: an endless life of child-rearing, cleaning, washing, shopping and cooking would be her lot. I often wondered how these women managed, with a family of up to thirteen or fourteen children in a small house, containing only two or three bedrooms. Some families of that size lived in the tenements, which often consisted of only two rooms and a tiny kitchen.