Faculty of Sexual and Reproductive Healthcare Clinical Guidance. (2009). Management of unscheduled bleeding in women using hormonal contraception. Retrieved from www.fsrh.org/pdfs/unscheduledbleedingmay09.pdf.
4.
Lumsden, M. A., Gebbie, A., & Holland, C. (2013). Managing unscheduled bleeding in non-pregnant premenopausal women. British Medical Journal 346: f3251. doi: 10.1136/bmj.f3251.
The Society of Obstetricians and Gynaecologists of Canada (2000) Diagnosis of endometrial cancer in women with abnormal vaginal bleeding. SOGC Clinical Practice Guideline 86. Journal of Obstetrics and Gynaecology Canada22(1): 102–104.