About: http://webisa.webdatacommons.org/418164037

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 may make conception more difficult, yet unless infertility is a problem, it can still occur, especially if sexual intercourse is timed to the most fertile days before, during and after ovulation.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeekhealth.com