Labels:text | screenshot | font OCR: Resident and Staff Physician Patient Education Chart Extra Protection During Fertile Phase Fertile Phase -Ovulation For women using the IUD, it is useful to add a second method of birth control during the fertile phase for extra protection vor 17 27 Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc.