RT Journal Article SR Electronic T1 Venus JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP 234 OP 234 DO 10.1136/bmjsrh-2020-200930 VO 47 IS 3 YR 2021 UL http://jfprhc.bmj.com/content/47/3/234.abstract AB