RT Journal Article SR Electronic T1 Secondary amenorrhoea – a consultation JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP bmjsrh-2020-200600 DO 10.1136/bmjsrh-2020-200600 A1 Annette Thwaites A1 Rachel Westwick A1 Katharine Logan YR 2020 UL http://jfprhc.bmj.com/content/early/2020/06/16/bmjsrh-2020-200600.abstract AB