About: http://webisa.webdatacommons.org/393484303

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But in that decade, ultrasound scanning and other methods of detecting the sex of a child before birth began to make their appearance.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com