About: http://webisa.webdatacommons.org/211412917

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	The rate of secondary amenorrhea (due to some cause other than pregnancy) is about 4% in the general population.
http://www.w3.org/ns/prov#wasQuotedFrom	mhs.net