Volume 382, Issue 9907, Pages (November 2013)

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Volume 382, Issue 9907, Pages 1807-1816 (November 2013) The prevalence of unplanned pregnancy and associated factors in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3) Prof Kaye Wellings, FRCOG, Kyle G Jones, MSc, Catherine H Mercer, PhD, Clare Tanton, PhD, Soazig Clifton, BSc, Jessica Datta, MSc, Andrew J Copas, PhD, Bob Erens, MA, Lorna J Gibson, MPhil, Wendy Macdowall, MSc, Pam Sonnenberg, PhD, Andrew Phelps, BA, Prof Anne M Johnson, MD The Lancet Volume 382, Issue 9907, Pages 1807-1816 (November 2013) DOI: 10.1016/S0140-6736(13)62071-1 Copyright © 2013 Wellings et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 1 Distribution of London Measure of Unplanned Pregnancy score for women with pregnancy outcome in the year before interview The Lancet 2013 382, 1807-1816DOI: (10.1016/S0140-6736(13)62071-1) Copyright © 2013 Wellings et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 2 Median age at first sexual intercourse, first live-in relationship, and first child by birth cohort The Lancet 2013 382, 1807-1816DOI: (10.1016/S0140-6736(13)62071-1) Copyright © 2013 Wellings et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 3 Behaviours relating to pregnancy risk in the year before interview, by age-group The Lancet 2013 382, 1807-1816DOI: (10.1016/S0140-6736(13)62071-1) Copyright © 2013 Wellings et al. Open Access article distributed under the terms of CC BY Terms and Conditions