Armut Child Health Services history New York City Geburtshilfe Geschichte Hochschulschrift Hospitals Maternity services New York (State) New York History 19th century Kind Kinderbetreuung Kinderheim Maternal Health Services history New York City Maternal health services New York (State) New York History 19th century Mutter New York, NY Poor women Medical care New York (State) New York History 19th century Prenatal care New York (State) New York History 19th century Sozialeinrichtung Unterschicht