
Colleen A. Reynolds, PhD
About
Dr. Colleen Reynolds is an epidemiologist, whose work focuses on the application of causal inference methods to health equity research. She is particularly interested in appropriate confounder and covariate control, causal mediation analyses, and research questions that combine causal and descriptive components. Dr. Reynolds applies these methods to examine reproductive and perinatal health inequities, LGBTQ+ health inequities, and socioeconomic inequities in health. Dr. Reynolds is currently a Postdoctoral Research Fellow jointly appointed between the Departments of Public Health and Epidemiology at Erasmus University Medical Center. She previously completed a one-year Pyle Postdoctoral Fellowship in the Department of Population Medicine at the Harvard Pilgrim Health Care Institute Dr. Reynolds received her PhD and MS in Epidemiology from Harvard, and her BA in Public Health from American University.
Education
PhD in Population Health Sciences – Epidemiology, Harvard University
Minors: Biostatistics; Reproductive, Perinatal & Pediatric HealthMS in Epidemiology, Harvard T.H. Chan School of Public Health
Specialization: Reproductive, Perinatal & Pediatric Epidemiology
Concentration: Women, Gender & HealthBA in Public Health, American University
Minor: Statistics
Publications
Peer-Reviewed Research
Hoatson T, Bond J, CA Reynolds, Charlton BM. Female sexual dysfunction across sexual orientation in a large cohort of older US nurses. In press at J Sex Med.
Chakraborty P, Rocca CH, CA Reynolds, Berzansky I, Soled KRS, McKetta S, Hancock AM, Bessett D, Haneuse S, Charlton BM. Pregnancy intentions by sexual orientation among pregnancies across the life course. Am J Epidemiol. 2026 Jul 13:kwag165. doi: 10.1093/aje/kwag165.
Tam MW, Berzansky I, Chakraborty P, CA Reynolds, Soled KRS, McKetta S, Veldhuis C, Koenen K, Charlton BM. Post-traumatic stress disorder and adverse pregnancy outcomes: sexual orientation disparities in a prospective cohort study. 2026 Mar 2;26(1):378. doi: 10.1186/s12884-026-08867-y.
CA Reynolds, Chen JT, Chakraborty P, Chibnik LB, Rich-Edwards JW, Charlton BM. Covariate adjustment in LGBTQ+ health disparities research: aligning methods with assumptions. Am J Epidemiol. 2026 Mar 5;195(3):634-643. doi: 10.1093/aje/kwaf197.
Page N, Angel L, Borgia S, CA Reynolds, Zubizarreta D, Young H, Ashton MR, White J. Emotional and behavioural difficulties in gender minority compared to cisgender adolescents: identity specific findings from a contemporary national study. J Child Psychol Psychiatry. 2026 Mar;67(3):312-320. doi: 10.1111/jcpp.70050
CA Reynolds, Hoatson T, Hughes LD, Beccia AL, Miranda AR, Austin SB, Corliss HL, Charlton BM. Experiences of Everyday Discrimination by Sexual Orientation in a Large National Cohort of Female Nurses. J Homosex. 2026 Feb 26:1-20. doi: 10.1080/00918369.2026.2635574. Epub ahead of print.
Wynne CS**, CA Reynolds, Berzansky I, Chavarro JE, Chakraborty P, Charlton BM. Differences in Prevalence of Polycystic Ovary Syndrome Diagnosis Across Sexual Orientation in a Longitudinal Cohort of U.S. Adults. LGBT Health. 2026 Jan;13(1):39-46. doi: 10.1177/23258292251387271.
McKetta S, Soled KRS, Chakraborty P, CA Reynolds, Everett BG, Stroumsa D, Haneuse S, Austin SB, Chavarro JE, Eliassen AH, Huang AK, Charlton BM. Disparities in primary Cesarean birth by sexual orientation: a population-based analysis across three longitudinal cohorts. Lancet Reg Health Am. 2025 Dec 6;54:101325. doi: 10.1016/j.lana.2025.101325.
Schroeder EW, Miranda AR, CA Reynolds, Soled KRS, Charlton BM, Chakraborty P. Nonmelanoma Skin Cancer Prevalence by Sexual Orientation: A Repeated Cross-sectional Study of US Adults, 2022 to 2023. Cancer Epidemiol Biomarkers Prev. 2025 Dec 1;34(12):2294-2301. doi: 10.1158/1055-9965.EPI-25-0567.
Andrysiak NK**, Chakraborty P, Beccia AL, Charlton BM, CA Reynolds. Inequities in eating disorder diagnoses in college students: An intersectional multilevel analysis of individual heterogeneity and discriminatory accuracy (MAIHDA). Soc Sci Med. 2025 Nov;384:118587. doi: 10.1016/j.socscimed.2025.118587.
Powell JR, Gallo MF, Chakraborty P, CA Reynolds, Anderson M, Singh P. Increase in 9-1-1 activations for obstetric-related emergencies following the Dobbs decision in the United States. Am J Epidemiol. 2025 Oct 7;194(10):2968-2976. doi: 10.1093/aje/kwaf123.
Monseur B, Hoatson T, Soled KRS, CA Reynolds, Austin SB, Haneuse S, Lathi RB, Obedin-Maliver J, Charlton BM. Use of medically assisted reproduction and the risk of multiple live births across sexual orientation groups-results from a national longitudinal cohort. Fertil Steril. 2025 Aug;124(2):369-371. doi: 10.1016/j.fertnstert.2025.03.012.
McKetta S, Berzansky I, CA Reynolds, Grodstein F, Blacker D, Charlton BM. Sexual orientation disparities in subjective cognitive decline in a large cohort of female nurses. LGBT Health. 2025 Aug-Sep;12(6):428-438. doi: 10.1089/lgbt.2024.0183.
Chakraborty P, McKetta S, CA Reynolds, Smith MH, Moseson H, Beccia A, Soled KRS, Hoatson T, Huang AK, Eliassen AH, Haneuse S, Charlton BM. Differences in abortion use by sexual orientation in 3 national cohorts. JAMA Netw Open. 2025 May 1;8(5):e258644. doi: 10.1001/jamanetworkopen.2025.8644.
Vilda D, Agénor M, Wallace ME, Lian IB, Charlton BM, CA Reynolds, Harville EW. Adverse obstetric and perinatal outcomes among birthing people in same-sex and different-sex relationships in Louisiana. LGBT Health. 2025 Jan;12(1):61-70. doi: 10.1089/lgbt.2023.0377.
Huang AK, Hoatson T, Chakraborty P, McKetta S, Soled KRS, CA Reynolds, Boehmer U, Miranda AR, Streed CG Jr, Maingi S, Haneuse S, Young JG, Kang JH, Austin SB, Eliassen AH, Charlton BM. Disparities in cancer incidence by sexual orientation. Cancer. 2024 Dec 15;130(24):4306-4314. doi: 10.1002/cncr.35356.
Chakraborty P, CA Reynolds, McKetta S, Soled KRS, Huang AK, Monseur B, Corman JD, Obedin-Maliver J, Eliassen AH, Chavarro JE, Austin SB, Everett B, Haneuse S, Charlton BM. Sexual orientation-related disparities in neonatal outcomes. Obstet Gynecol. 2024 Dec 1;144(6):843-851. doi: 10.1097/AOG.0000000000005747.
Chakraborty P, Everett BG, CA Reynolds, Hoatson T, Stuart JJ, McKetta SC, Soled KRS, Huang AK, Chavarro JE, Eliassen AH, Obedin-Maliver J, Austin SB, Rich-Edwards JW, Haneuse S, Charlton BM. Sexual orientation disparities in gestational diabetes and hypertensive disorders of pregnancy. Paediatr Perinat Epidemiol. 2024 Sep;38(7):545-556. doi: 10.1111/ppe.13101.
Chakraborty P, Schroeder E, CA Reynolds, McKetta S, Obedin-Maliver J, Austin SB, Everett B, Haneuse S, Charlton BM. Sexual orientation disparities in adverse pregnancy outcomes. Am J Obstet Gynecol. 2024 Jul;231(1):e34-e43. doi: 10.1016/j.ajog.2024.02.315.
Soled KRS, Hoatson T, Monseur B, Everett B, Chakraborty P, CA Reynolds, Huang AK, McKetta S, Haneuse S, Charlton BM. Differences in medically assisted reproduction use by sexual identity and partnership: a prospective cohort of cisgender women. Hum Reprod. 2024 Jun 3;39(6):1323-1335. doi: 10.1093/humrep/deae077.
Soled KRS, McKetta S, Chakraborty P, CA Reynolds, Austin SB, Chavarro JE, Eliassen AH, Wang S, Haneuse S, Charlton BM. Sexual orientation-related disparities in perinatal mental health among a prospective cohort study. SSM Ment Health. 2024 Jun;5:100301. doi: 10.1016/j.ssmmh.2024.100301.
Berzansky I**, CA Reynolds, Charlton BM. Breast and cervical cancer screenings across gender identity: results from the Behavioral Risk Factor Surveillance System before and during the COVID-19 pandemic. Cancer Causes Control. 2024 May;35(5):865-872. doi: 10.1007/s10552-023-01847-z.
McKetta S, Chakraborty P, Gimbrone C, Soled KRS, Hoatson T, Beccia AL, CA Reynolds, Huang AK, Charlton BM. Restrictive abortion legislation and adverse mental health during pregnancy and postpartum. Ann Epidemiol. 2024 Apr;92:47-54. doi: 10.1016/j.annepidem.2024.02.009.
White J, Trinh MH, CA Reynolds. Psychological distress, self-harm and suicide attempts in gender minority compared with cisgender adolescents in the UK. BJPsych Open. 2023 Aug 1;9(5):e138. doi: 10.1192/bjo.2023.534.
Tabaac AR, Godwin EG, CA Reynolds, Katz-Wise SL, Charlton BM. Sexual Minority Men's Perspectives and Experiences of Adolescent Pregnancy Risk and Pregnancy Prevention Behaviors. J Sex Res. 2022 Sep;59(7):886-896. doi: 10.1080/00224499.2022.2053043.
Zubizarreta D**, Beccia AL, Trinh MH, CA Reynolds, Reisner SL, Charlton BM. Human papillomavirus vaccination disparities among U.S. college students: An intersectional Multilevel Analysis of Individual Heterogeneity and Discriminatory Accuracy (MAIHDA). Soc Sci Med. 2022 May;301:114871. doi: 10.1016/j.socscimed.2022.114871.
CA Reynolds, Charlton BM. Pregnancy prevention and unintended pregnancy across gender identity: a cross-sectional study of college students. Sex Health. 2021 Nov;18(5):441-443. doi: 10.1071/SH21103.
Charlton BM, CA Reynolds, Tabaac AR, Godwin EG, Porsch LM, Agénor M, Grimstad FW, Katz-Wise SL. Unintended and teen pregnancy experiences of trans masculine people living in the United States. Int J Transgend Health. 2021 Oct 13;22(1-2):65-76. doi: 10.1080/26895269.2020.1824692.
CA Reynolds, Charlton BM. Sexual behavior and contraceptive use among cisgender and gender minority college students who were assigned female at birth. J Pediatr Adolesc Gynecol. 2021 Aug;34(4):477-483. doi: 10.1016/j.jpag.2021.03.009.
CA Reynolds, Beccia A, Charlton BM. Multiple marginalisation and unintended pregnancy among racial/ethnic and sexual minority college women. Paediatr Perinat Epidemiol. 2021 Jul;35(4):493-500. doi: 10.1111/ppe.12744.
Charlton BM, CA Reynolds, Janiak E, DiVasta AD, Jones RK, Chavarro JE, Sarda V, Austin SB. Sexual orientation-related differences in contraceptive use: A brief report based on a cohort of adolescent and young women. Contraception. 2021 Mar;103(3):195-198. doi: 10.1016/j.contraception.2020.11.002.
Scholarly Correspondence
CA Reynolds, Zalla L, Labrecque JA. RE: Age Adjustment in Racial Disparity Analyses. In Press at Am J Public Health.
Peters J, CA Reynolds, Groeniger JO. RE: advancing observational research on arts and health: theory-informed approaches using the RADIANCE framework. Am J Epidemiol. 2026 Jun 27:kwag149. doi: 10.1093/aje/kwag149.
CA Reynolds, Chakraborty P. Re: "Disparities in Substance Use and Psychological Distress During Pregnancy Among Pregnant Bisexual and Heterosexual Females in the United States" by Schuler and Prince. LGBT Health. 2026 Jun 23:23258292261462190. doi: 10.1177/23258292261462190.
CA Reynolds, Labrecque JA, Chakraborty P. Reply to: 'Does race have confounders?' by Loux and Wankum. J Epidemiol Community Health. 2026 Jun 22:jech-2026-226803. doi: 10.1136/jech-2026-226803.
Chakraborty P, CA Reynolds, Charlton BM. In Reply. Obstet Gynecol. 2025 Apr 1;145(4):e138-e139. doi: 10.1097/AOG.0000000000005855.