1. ACOG Committee on Adolescent Health Care. ACOG Committee Opinion No. 349, November 2006: Menstruation in girls and adolescents: using the menstrual cycle as a vital sign. Obstet Gynecol. 2006;108:1323–8.
2. ACOG Committee Opinion. Management of acute abnormal uterine bleeding in nonpregnant pregnant reproductive-aged women. Number 557. April 2013. https://www.acog.org/search#q=uterine%20bleeding&sort=relevancy
3. ACOG Committee Opinion. The role of transvaginal ultrasonography in evaluating the endometrium of women with postmenopausal bleeding. Number 734. May 2019. https://www.acog.org/search#q=postmenopausal%20bleeding&sort=relevancy
4. ACOG Committee Opinion No. 651. Menstruation in girls and adolescents: using the menstrual cycle as a vital sign. Obstet Gynecol. 2015;126:143–6.
5. ACOG Practice Bulletin. Diagnosis of abnormal uterine bleeding in reproductive-aged women. Number 128. July 2012. https://www.acog.org/clinical/clinical-guidance/practice-bulletin/articles/2012/07/diagnosis-of-abnormal-uterine-bleeding-in-reproductive-aged-women#:~:text=ABSTRACT%3A%20Menstrual%20flow%20outside%20of,perimenopausal%20and%20postmenopausal%20years%201