Pregnancy Research


Bane S, Wall-Wieler E, Lyndon A, Carmichael S. (Online First). Recurrence of severe maternal morbidity during first and second pregnancy in a cohort of California women. Paediatric and Perinatal Epidemiology. doi: 10.1111/ppe.12714

Mujahid M, Kan P, Leonard S, Hailu E, Wall-Wieler E, Abrams B, Main E, Profit J, Carmichael SL.  (Online First). Birth Hospital and Racial/Ethnic Differences in Severe Maternal Morbidity in the State of California. American Journal of Obstetrics & Gynecology. doi: 10.1016/j.ajog.2020.08.017

Urquia M, Juarez S, Wall-Wieler E, Hjern A. (Online First). Smoking during pregnancy among immigrant women with same-origin and Swedish-born partners. Nicotine & Tobacco Research. doi: 10.1093/ntr/ntaa145

Wall-Wieler E, Bane S, Lee HC, Carmichael SL. (Online First). Severe Maternal Morbidity among US- and Foreign-born Asian and Pacific Islander women in California. Annals of Epidemiology. doi: 10.1016/j.annepidem.2020.07.016

Wall-Wieler E, Butwick A Gibbs R, Girsen A, Lyell D, El-Sayed Y, Carmichael S. (Online First). Maternal Health After Stillbirth:  Postpartum Hospital Readmission in California. American Journal of Perinatology. doi: 10.1055/s-0040-1708803.

Wall-Wieler E, Robakis T, Cesta C, Masarwa R, Lyell D, Liu C, Platt R, Carmichael S. (Online First). Antidepressant use around conception, pre-pregnancy depression, and risk of ectopic pregnancy. Canadian Journal of Psychiatry. 65(12): 845-853 doi: 10.1177/0706743720927829

Wall-Wieler E, Abrams B, Snowden J, Carmichael S. (Online First). Defining maternal obesity in studies of birth outcomes: Comparing ICD-9 codes at delivery and measures on the birth certificate. Paediatric and Perinatal Epidemiology. 34(5):618-627. doi: 10.1111/ppe.12667

Wall-Wieler E, Shover CL, Hah JM, Carmichael SL, Butwick AJ. Opioid Prescription and Persistent Opioid Use after Ectopic Pregnancy. Obstetrics & Gynecology. 136(3): 548-555. doi: 10.1097/AOG.0000000000004015

Wall-Wieler E, Robakis T, Lyell D, Masarwa R, Platt R, Carmichael S. Benzodiazepine use around conception and risk of ectopic pregnancy. Human Reproduction. 35(7):1685-1692. doi: 10.1093/humrep/deaa082


Wall-Wieler E, Carmichael S, Gibbs R, Girsen A, Lyell D, El-Sayed Y, Butwick A. Severe Maternal Morbidity among Stillbirth Deliveries in California. Obstetrics & Gynecology.  134(2):310-317. doi: 10.1097/AOG.0000000000003370

Urquia M, Wall-Wieler E, Ruth C, Liu M, Roos LL. Revisiting the association between maternal and offspring preterm birth using a sibling design. BMC Pregnancy and Childbirth. 19:157. DOI: 10.1186/s12884-019-2304-9



Wall-Wieler E, Carmichael S, Urquia M, Liu C, Hjern A. Severe maternal morbidity and postpartum mental health-related outcomes: A population-based matched-cohort study. Archives of Women’s Mental Health, 22(10): 1398-1399. DOI 10.1007/s00737-018-0917-z