About: http://webisa.webdatacommons.org/221127964

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	Fact: There is a concept known as ???secondary infertility???, which refers to the difficulties that previously fertile couples have in conception.
http://www.w3.org/ns/prov#wasQuotedFrom	tribune.com.pk