About: http://webisa.webdatacommons.org/393949840

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	Irregular periods brought on by physical problems, stress, hormone levels or other factors can make tracking ovulation a real challenge.
http://www.w3.org/ns/prov#wasQuotedFrom	epigee.org