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. 2010 Dec 21;341:c6945. doi: 10.1136/bmj.c6945

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© McLernon et al 2010

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name mcld782771.f3_default.jpg — Fig 3 Odds ratios of live birth for elective single embryo transfer versus double embryo transfer by different subgroups