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. 2016 Mar 22;21(3):234–241. doi: 10.3109/13625187.2016.1154143

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© 2016 The Authors. Published by Taylor & Francis.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Comparison of age (a) and BMI (b) distribution of all participants (blue) listed in Table 2 with that of only pregnant women (red). Both distributions are normalised to the total number of women who make up each distribution (3993 women and 143 pregnant women, respectively). (c) Comparison of logged sexual activity for all women (blue) and pregnant women (red), in terms of unprotected intercourse, protected intercourse and no intercourse, normalised to the total number of data entries for each sample group.