RT Journal Article SR Electronic T1 FSRH Guideline (August 2022) Progestogen-only Pills JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP 1 OP 75 DO 10.1136/bmjsrh-2022-PoP VO 48 IS Suppl 1 YR 2022 UL http://jfprhc.bmj.com/content/48/Suppl_1/1.abstract AB