About: http://webisa.webdatacommons.org/339318810

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	Since you do not want to use other contraceptives, such as condoms, then starting three weeks before you expect her next period until one week before you expect her next period, you do not have intercourse.
http://www.w3.org/ns/prov#wasQuotedFrom	lavistachurchofchrist.org