Date	Event	Description
31 January 2017	New search has been performed	Searched updated. Methods updated, including two 'Summary of findings' tables. One new author (Emily Shepherd) was involved in this update. We have updated our primary and secondary review outcomes to be in line with those standard outcomes that are/will be used in other Cochrane Pregnancy and Chilbirth diabetes in pregnancy reviews (which we have adapted, as appropriate).
31 January 2017	New citation required and conclusions have changed	Two new trials included (Charron‐Prochownik 2013; Fischl 2010). Additional outcome data (predominately narrative) for: pregnancy; behaviour changes associated with the intervention; women's views of the intervention; glycaemic control; costs associated with the intervention.