{"id":"S85090216","label":"Natural family planning","description":"Here are entered works on techniques for planning or preventing pregnancies by observation of the naturally occurring signs and symptoms of the fertile and infertile phases of the menstrual cycle.","source_url":"https://id.loc.gov/authorities/subjects/sh85090216","normalized_label":"natural family planning","broader":["http://id.loc.gov/authorities/subjects/sh2009005770"],"aliases":["Behavioral methods of birth control","Sympto-thermal method of birth control"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85090216","provider":"lcsh","revision":"bb8d301f7e8e33ba","taxonomy_revision":"f050b5d4780b1289","title":"Natural family planning","url":"/topics/S85090216","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547701596021212736","address_version":"morton4x16-v1","coordinates":[0,20,18814,40960],"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}