INTERSECT
Resources for Health Professionals and Policy Makers
Publications
Papers from International data
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Handelzalts J, Ayers S, Webb R, Constantinou G, Lucas G, Grollman C, Ohayon S, Awad Sirhan N, Baird K, Baldisserotto M, Batool R, Batool S, Caparros-Gonzalez RA, Chorwe-Sungani G, Christoforou A, Coo S, Costa R, Dikmen-Yildez P, Ďuríčeková B, Dušová B, Enea V, Garthus-Niegel S, Grundström H, Gureje O, Hadjigeorgiou E, Haga SM, Horsch A, Ionio C, Jarašiūnaitė-Fedosejeva G, Jomeen J, Kazmierczak M, Lalor J, Milosavljevic M, Nagle U, Nakić Radoš S, Nieminen K, Oladeji BD, Osório F, Pawlicka P, Peled Y, Pinto TM, Rattaz V, Riklikiene O, Schellong J, Sigurðardóttir VL, Thagunna NS, Theme Filha M, Škodová Z, Stebelová P, Stepisnik Perdih T, Stewart RC, Swift EM, Uriko K, Vally Z, Vezmar M, Zedan HH, Žutić M, INTERSECT Consortium. (2025). Cross-national risk factors for childbirth-related PTSD: Findings from the INTERSECT study. Psychological Medicine, 17:55:e349. doi: 10.1017/S0033291725102298
Papers reporting INTERSECT findings
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Nakić Radoš, S., Brekalo, M., Žutić, M., Matijaš, M., Habek, D., Marton, I., Tikvica Luetić, A., Prka, M., Ujević, B., Štefulj, J. and Pačić-Turk, L., 2024. Prospective study of individual characteristics and posttraumatic stress disorder (PTSD) symptoms following childbirth: Birth satisfaction as a moderator. Psychological Trauma: Theory, Research, Practice, and Policy.
Papers validating intersect measures
Papers from special interest groups
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Murawska, N., Jarašiūnaitė-Fedosejeva, G., Pawlicka, P., Riklikienė, O., Škodová, Z., Michałek-Kwiecień, J., & Kaźmierczak, M. (2026). Prevalence and risk factors of childbirth-related post-traumatic stress disorder symptoms-comparison study of Central-Eastern European countries: Poland, Slovakia, and Lithuania. Journal of Affective Disorders, 392, 120102.
Papers from secondary analysis
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Pinto, T.M., Tavares, D; Sousa, C; Jongenelen, I; Lamela, D; Alves, S; Costa, R; Nakić Radoš, S; the INTERSECT Consortium. (2026). Mothers with Cumulative Adverse Lifetime Experiences can be More Vulnerable to Childbirth-Related Posttraumatic Stress Disorder Symptoms: Findings from the INTERSECT Study. Journal of Reproductive and Infant Psychology, 44, 1, 269-269. doi: https://doi.org/10.1080/02646838.2025.2603086
INTERSECT Conference Presentations
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Ayers S, and the INTERSECT Consortium. The prevalence of childbirth-related PTSD worldwide: the INTERSECT study. The International Marce Society for Perinatal Mental Health Conference, Spain, 4th-7th September 2024.
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Baldisserotto ML, Theme Filha MM, Osório F, Ayers S. The association between mistreatment of women during childbirth and Posttraumatic Stress Disorder Following Childbirth: INTERSECT study, Brazil. The International Marce Society for Perinatal Mental Health Conference, Spain, 4th-7th September 2024.
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Osório F. COVID 19 and the mental health of Brazilian postpartum women: data associated with the end of the second wave of transmission. The International Marce Society for Perinatal Mental Health Conference, Spain, 4th-7th September 2024.
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Seefeld L, Jehn V, Horstmann R, Schellong J, & Garthus-Niegel, S. Preferences for support and barriers to help-seeking among German women with childbirth-related posttraumatic stress disorder. The International Marce Society for Perinatal Mental Health Conference, Spain, 4th-7th September 2024.
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Caparros-Gonzalez R, Martin-Tortosa PL, Asensio-Pastor P, El Founti-Khasim I, Caraballo-Salazar MI, Riquelme-Gallego B, Amezcua-Prieto C. Post-traumatic stress disorder after birth in Spain: findings from the INTERSECT International Consortium. 44th SRIP Annual Conference, Germany, 16th to 18th September 2024.
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Jomeen J, Baird K, Jefford E, Briley A, Fox D, Sheehy A, Marsden J, Everest S, Gidaszewski B, Elhindi J, Pasupathy D. Exploring birth trauma in Australian women. 44th SRIP Annual Conference, Germany, 16th to 18th September 2024.
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Pawlicka P, Kaźmierczak M, Murawska N, Riklikiene O, Jarašiūnaitė-Fedosejeva G, Škodova Z. PTSD following childbirth in Lithuania, Poland and Slovakia – prevalence and risk factors. 44th SRIP Annual Conference, Germany, 16th to 18th September 2024.
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Jomeen, J., Jefford, E., Briley, A., Fox, D., Sheehy, A., Woodworth, R., Slavin, V., Everest, S., Marsden, J., & Baird, K. Exploring birth trauma and health outcomes of women in the early postnatal period [Poster presentation]. Queensland Women’s Forum, Queensland, Australia, 11th-12th July 2024.
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Sten G, Malmquist A, Ayers S, Nieminen K, & Grundström, H. Identifying birth-related PTSD and predicting symptom severity. The NJF Congress 2025 Scientific Committee, Denmark, 27th March 2025.
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Hadjigeorgiou, E., Mavrommati, A., Koliandri, I. Investigation of the traumatic experience of childbirth in women in Cyprus. Nursing Practice 2025 Conference, Hungary, 15th-16th September 2025.
VIDEOS
INTERSECT Video for Health Professionals (English)
INTERSECT Video for Health Professionals (German)
INTERSECT Video for Health Professionals (Italian)
INTERSECT Video for Policy Makers (English)
INTERSECT Video for Policy Makers (German)
INTERSECT Video for Policy Makers (Italian)
STUDY PROTOCOL
The INTERSECT study was pre-registered on Research Registry https://www.researchregistry.com/browse-the-registry#home/registrationdetails/5ffc7453702012001b80a58c/
The latest protocol (V2 dated 26.02.2025) is available here.
CITY BIRTH TRAUMA SCALE
City Birth Trauma Scale webpage www.citybirthtraumascale.com
Ayers, S., Wright, D. B., & Thornton, A. (2018). Development of a measure of postpartum PTSD: the City Birth Trauma Scale. Frontiers in Psychiatry, 9, 409.