# Natural family planning { "id": "S85090216", "title": "Natural family planning", "url": "/topics/S85090216", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "bb8d301f7e8e33ba", "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" } 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. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85090216 No owner-reviewed local answer yet.