{"product_id":"the-modern-method-of-birth-control-includes-calendar-wheel","title":"The Modern Method of Birth Control (Includes Calendar Wheel)","description":"xi, 159 pp. Discovered by two world-famous gynecologists, Drs. Ogino and Knaus. CONTENTS: Marriage and Childbearing; The Egg and the Male Cell; Why Menstruation'; Motherhood; How to Apply the Modern Method of Birth Control; Charts of Normal and Irregular Menstrual Cycles; Summary; Menstrual Calendar; Personal Diary.","brand":"Grosset \u0026 Dunlap","offers":[{"title":"Default Title","offer_id":40460361826374,"sku":"2330268","price":15.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1232\/9510\/products\/2330268.jpg?v=1672719801","url":"https:\/\/ym-demo.myshopify.com\/products\/the-modern-method-of-birth-control-includes-calendar-wheel","provider":"Yesterday's Muse","version":"1.0","type":"link"}