{"id":"S85090218","label":"Natural family planning--Ovulation method","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85090218","normalized_label":"natural family planning--ovulation method","broader":["http://id.loc.gov/authorities/subjects/sh85022184","http://id.loc.gov/authorities/subjects/sh85096267"],"aliases":["Billings ovulation method of birth control","Cervical mucus method of birth control","Natural family planning--Billings ovulation method","Natural family planning--Cervical mucus method","Ovulation method of birth control"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85090218","provider":"lcsh","revision":"8390684ec38501cc","taxonomy_revision":"f050b5d4780b1289","title":"Natural family planning--Ovulation method","url":"/topics/S85090218","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547842333509568064","address_version":"morton4x16-v1","coordinates":[0,20,18814,43008],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}