PT - JOURNAL ARTICLE AU - Amy Hough AU - Maggie Bryce AU - Simon Forrest TI - Social media and advertising natural contraception to young women: the case for clarity and transparency with reference to the example of ‘Natural Cycles’ AID - 10.1136/bmjsrh-2018-200110 DP - 2018 Jul 21 TA - BMJ Sexual & Reproductive Health PG - bmjsrh-2018-200110 4099 - http://jfprhc.bmj.com/content/early/2018/07/21/bmjsrh-2018-200110.short 4100 - http://jfprhc.bmj.com/content/early/2018/07/21/bmjsrh-2018-200110.full