About: http://webisa.webdatacommons.org/427410304

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	At this time the formation of ova, or eggs, in the female body begins, and it continues, in most women, at regular intervals of once in twenty-eight days, except during pregnancy and lactation, for a period of about thirty years.
http://www.w3.org/ns/prov#wasQuotedFrom	wikisource.org