About: http://webisa.webdatacommons.org/448296255

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	Even people who have previously had regular cycles can have irregular timing of ovulation when factors such as stress or illness are involved.
http://www.w3.org/ns/prov#wasQuotedFrom	sanfordhealth.org