About: http://webisa.webdatacommons.org/231931075

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	Your example of childbirth and cancer is quite different because you are suggesting doing something to lower the risk; whereas with birth control the case would be stopping something which increases the risk.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com