Katherine Whitlock As a Guest 1 segment Queue December 9, 1981 16:13 Learning Fertility Awareness Researchers Katherine Whitlock and Regina Pfeiffer teach women how they can gauge various biological signs to determine when they are most likely to conceive. Katherine WhitlockRegina Asaph Pfeiffer
Queue December 9, 1981 16:13 Learning Fertility Awareness Researchers Katherine Whitlock and Regina Pfeiffer teach women how they can gauge various biological signs to determine when they are most likely to conceive. Katherine WhitlockRegina Asaph Pfeiffer