Copyright © 2001 American Medical Association. All rights reserved. From: Evaluation of Contraceptive Efficacy and Cycle Control of a Transdermal Contraceptive Patch vs an Oral ContraceptiveA Randomized Controlled Trial JAMA. 2001;285(18):2347-2354. doi:10.1001/jama.285.18.2347 Figure Legend: The number of screened participants is unknown. Numbers in parenthesesrepresent the number of participants assigned to 6 cycles and 13 cycles, respectively.*Reasonsfor not beginning treatment included lost to follow-up (24 participants),pregnant (6), protocol violation (2), and participant choice (12).†Reasonsfor not beginning treatment included lost to follow-up (18 participants),pregnant (6), and participant choice (10). Date of download: 10/23/2017 Copyright © 2001 American Medical Association. All rights reserved.

Copyright © 2001 American Medical Association. All rights reserved. From: Evaluation of Contraceptive Efficacy and Cycle Control of a Transdermal Contraceptive Patch vs an Oral ContraceptiveA Randomized Controlled Trial JAMA. 2001;285(18):2347-2354. doi:10.1001/jama.285.18.2347 Figure Legend: Error bars indicate SE. Date of download: 10/23/2017 Copyright © 2001 American Medical Association. All rights reserved.