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8. Interpregnancy intervals and adverse birth outcomes in high-income countries: An international cohort study

Author

Tessema, Gizachew A, Marinovich, M Luke, Håberg, Siri E, Gissler, Mika, Mayo, Jonathan A, Nassar, Natasha, Ball, Stephen, Betrán, Ana Pilar, Gebremedhin, Amanuel T, de Klerk, Nick, Magnus, Maria C, Marston, Cicely, Regan, Annette K, Shaw, Gary M, Padula, Amy M, and Pereira, Gavin

Subjects
Reproductive Medicine, Midwifery, Biomedical and Clinical Sciences, Health Sciences, Perinatal Period - Conditions Originating in Perinatal Period, Prevention, Pediatric, Reproductive health and childbirth, Good Health and Well Being, Adult, Birth Intervals, Cohort Studies, Developed Countries, Female, Humans, Infant, Low Birth Weight, Infant, Newborn, Infant, Small for Gestational Age, Longitudinal Studies, Maternal Age, Pregnancy, Pregnancy Outcome, Premature Birth, Young Adult, General Science & Technology
Abstract

BackgroundMost evidence for interpregnancy interval (IPI) and adverse birth outcomes come from studies that are prone to incomplete control for confounders that vary between women. Comparing pregnancies to the same women can address this issue.MethodsWe conducted an international longitudinal cohort study of 5,521,211 births to 3,849,193 women from Australia (1980-2016), Finland (1987-2017), Norway (1980-2016) and the United States (California) (1991-2012). IPI was calculated based on the time difference between two dates-the date of birth of the first pregnancy and the date of conception of the next (index) pregnancy. We estimated associations between IPI and preterm birth (PTB), spontaneous PTB, and small-for-gestational age births (SGA) using logistic regression (between-women analyses). We also used conditional logistic regression comparing IPIs and birth outcomes in the same women (within-women analyses). Random effects meta-analysis was used to calculate pooled adjusted odds ratios (aOR).ResultsCompared to an IPI of 18-23 months, there was insufficient evidence for an association between IPI 24 month IPIs.ConclusionsWe found consistently elevated odds of adverse birth outcomes following long IPIs. IPI shorter than 6 months were associated with elevated risk of spontaneous PTB, but there was insufficient evidence for increased risk of other adverse birth outcomes. Current recommendations of waiting at least 24 months to conceive after a previous pregnancy, may be unnecessarily long in high-income countries.

Published
2021

11. Effects of race and ethnicity on perinatal outcomes in high-income and upper-middle-income countries: an individual participant data meta-analysis of 2 198 655 pregnancies

Author

Abdollahain, Mali, Savitri, Ary I., Salvesen, Kjell Åsmund, Bhattacharya, Sohinee, Uiterwaal, Cuno S.P.M., Staff, Annetine C., Andersen, Louise Bjoerkholt, Olive, Elisa Llurba, Daskalakis, George, Macleod, Maureen, Thilaganathan, Baskaran, Ramírez, Javier Arenas, Massé, Jacques, Audibert, Francois, Magnus, Per Minor, Sletner, Line, Baschat, Ahmet, Ohkuchi, Akihide, McAuliffe, Fionnuala M., West, Jane, Askie, Lisa M., Mone, Fionnuala, Farrar, Diane, Zimmerman, Peter A., Smits, Luc J.M., Riddell, Catherine, Kingdom, John C., van de Post, Joris, Illanes, Sebastián E., Holzman, Claudia, van Kuijk, Sander M.J., Carbillon, Lionel, Villa, Pia M., Eskild, Anne, Chappell, Lucy, Prefumo, Federico, Velauthar, Luxmi, Seed, Paul, van Oostwaard, Miriam, Verlohren, Stefan, Poston, Lucilla, Ferrazzi, Enrico, Vinter, Christina A., Nagata, Chie, Brown, Mark, Vollebregt, Karlijn C., Takeda, Satoru, Langenveld, Josje, Widmer, Mariana, Saito, Shigeru, Haavaldsen, Camilla, Carroli, Guillermo, Olsen, Jørn, Wolf, Hans, Zavaleta, Nelly, Eisensee, Inge, Vergani, Patrizia, Lumbiganon, Pisake, Makrides, Maria, Facchinetti, Fabio, Sequeira, Evan, Gibson, Robert, Ferrazzani, Sergio, Frusca, Tiziana, Figueiró-Filho, Ernesto A., Lapaire, Olav, Laivuori, Hannele, Lykke, Jacob A., Conde-Agudelo, Agustin, Galindo, Alberto, Mbah, Alfred, Betran, Ana Pilar, Herraiz, Ignacio, Trogstad, Lill, Smith, Gordon G.S., Steegers, Eric A.P., Salim, Read, Huang, Tianhua, Adank, Annemarijne, Zhang, Jun, Meschino, Wendy S., Browne, Joyce L., Allen, Rebecca E., Da Silva Costa, Fabricio, Klipstein-Grobusch, Kerstin, Jørgensen, Jan Stener, Forest, Jean-Claude, Rumbold, Alice R., Mol, Ben W., Giguère, Yves, Ganzevoort, Wessel, Odibo, Anthony O., Myers, Jenny, Yeo, SeonAe, Teede, Helena J., Goffinet, Francois, McCowan, Lesley, Pajkrt, Eva, Haddad, Bassam G., Dekker, Gustaaf, Kleinrouweler, Emily C., LeCarpentier, Édouard, Roberts, Claire T., Groen, Henk, Skråstad, Ragnhild Bergene, Heinonen, Seppo, Eero, Kajantie, Kenny, Louise C., Anggraini, Dewi, Souka, Athena, Cecatti, Jose, Monterio, Ilza, Coomarasamy, Arri, Smuk, Melanie, Pillalis, Athanasios, Crovetto, Francesca, Souza, Renato, Ann Hawkins, Lee, Gabbay- Benziv, Rinat, Riley, Richard, Snell, Kym, Archer, Lucinda, Figuera, Francesc, van Gelder, Marleen, Sheikh, Jameela, Allotey, John, Kew, Tania, Fernández-Félix, Borja M, Zamora, Javier, Khalil, Asma, and Thangaratinam, Shakila

Published
2022
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16. Characteristics and birth outcomes of pregnant adolescents compared to older women: An analysis of individual level data from 140,000 mothers from 20 RCTs

Author

Akseer, Nadia, Keats, Emily Catherine, Thurairajah, Pravheen, Cousens, Simon, Bétran, Ana Pilar, Oaks, Brietta M., Osrin, David, Piwoz, Ellen, Gomo, Exnevia, Ahmed, Faruk, Friis, Henrik, Belizán, José, Dewey, Kathryn, West, Keith, Huybregts, Lieven, Zeng, Lingxia, Dibley, Michael J., Zagre, Noel, Christian, Parul, Kolsteren, Patrick Wilfried, Kaestel, Pernille, Black, Robert E., El Arifeen, Shams, Ashorn, Ulla, Fawzi, Wafaie, and Bhutta, Zulfiqar Ahmed

Published
2022
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18. Causes and circumstances of maternal death: a secondary analysis of the Community-Level Interventions for Pre-eclampsia (CLIP) trials cohort

Author

Woo Kinshella, Mai-Lei, Wong, Hubert, von Dadelszen, Peter, Vilanculo, Faustino, Vidler, Marianne, Valá, Anifa, Ukah, Ugochi V, Tu, Domena K, Thabane, Lehana, Tchavana, Corsino, Thornton, Jim, Sotunsa, John O, Singer, Joel, Sheikh, Sana, Sharma, Sumedha, Sevene, Esperança, Schuurman, Nadine, Sawchuck, Diane, Sacoor, Charfudin, Revankar, Amit P, Raza, Farrukh, Ramdurg, Umesh Y, Qureshi, Rahat N, Pires, Rosa, Payne, Beth A, Nobela, Vivalde, Nkumbula, Cláudio, Nhancolo, Ariel, Nhamirre, Zefanias, Munguambe, Khátia, Mungarwadi, Geetanjali I, Mulungo, Dulce, Mocumbi, Sibone, Mitton, Craig, Merialdi, Mario, Memon, Javed, Matavele, Analisa, Mastiholi, Sphoorthi S, Mandlate, Ernesto, Mallapur, Ashalata A, Magee, Laura A, Maculuve, Sónia, Macuacua, Salésio, Macete, Eusébio, Macamo, Marta, Lui, Mansun, Li, Jing, Lewis, Gwyneth, Lewin, Simon, Lee, Tang, Langer, Ana, Kudachi, Uday S, Kodkany, Bhalachandra S, Knight, Marian, Kengapur, Gudadayya S, Kavi, Avinash J, Katageri, Geetanjali, Kariya, Chirag, Karadiguddi, Chandrappa C, Kamble, Namdev A, Joshi, Anjali M, Hutton, Eileen, Hussain, Amjad, Honnungar, Narayan V, Hoodbhoy, Zahra, Grobman, William, Goudar, Shivaprasad S, Gonçálves, Emília, Firoz, Tabassum, Fillipi, Veronique, Filimone, Paulo, Engelbrecht, Susheela M, Dunsmuir, Dustin T, Dumont, Guy, Drebit, Sharla K, Donnay, France, Dharamsi, Shafik, Dhamanekar, Vaibhav B, Derman, Richard, Darlow, Brian, Cutana, Silvestre, Chougala, Keval S, Chiaú, Rogério, Charantimath, Umesh, Byaruhanga, Romano Nkumbwa, Bone, Jeffrey N, Boene, Helena, Biz, Ana Ilda, Bique, Cassimo, Bhutta, Zulfiqar A, Betrán, Ana Pilar, Bellad, Mrutyunjaya B, Bannale, Shashidhar G, Aukes, Annet M, Augusto, Orvalho, Arion, Kristina, Ansermino, J Mark, Amose, Felizarda, Ahmed, Imran, and Adetoro, Olalekan O

Published
2021
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19. Blood pressure thresholds in pregnancy for identifying maternal and infant risk: a secondary analysis of Community-Level Interventions for Pre-eclampsia (CLIP) trial data

Author

Woo Kinshella, Mai-Lei, Wong, Hubert, Vilanculo, Faustino, Vala, Anifa, Ukah, Ugochi V, Tu, Domena K, Thabane, Lehana, Tchavana, Corsino, Thornton, Jim, Sotunsa, John O, Sheikh, Sana, Sharma, Sumedha, Schuurman, Nadine, Sawchuck, Diane, Revankar, Amit P, Raza, Farrukh, Ramdurg, Umesh Y, Pires, Rosa, Payne, Beth A, Nobela, Vivalde, Nkumbula, Cláudio, Nhancolo, Ariel, Nhamirre, Zefanias, Mungarwadi, Geetanjali I, Mulungo, Dulce, Mocumbi, Sibone, Mitton, Craig, Merialdi, Mario, Memon, Javed, Matavele, Analisa, Mastiholi, Sphoorthi S, Mandlate, Ernesto, Maculuve, Sónia, Macuacua, Salésio, Macete, Eusébio, Macamo, Marta, Lui, Mansun, Li, Jing, Lewis, Gwyneth, Lewin, Simon, Lee, Tang, Langer, Ana, Kudachi, Uday S, Kodkany, Bhalachandra S, Knight, Marian, Kengapur, Gudadayya S, Kavi, Avinash J, Katageri, Geetanjali M, Kariya, Chirag, Karadiguddi, Chandrappa C, Kamble, Namdev A, Joshi, Anjali M, Hutton, Eileen, Hussain, Amjad, Hoodbhoy, Zahra, Honnungar, Narayan V, Grobman, William, Gonçálves, Emília, Firoz, Tabassum, Fillipi, Veronique, Filimone, Paulo, Engelbrecht, Susheela M, Dunsmuir, Dustin T, Dumont, Guy, Drebit, Sharla K, Donnay, France, Dharamsi, Shafik, Dhamanekar, Vaibhav B, Derman, Richard, Darlow, Brian, Cutana, Silvestre, Chougala, Keval S, Chiaú, Rogério, Charantimath, Umesh S, Byaruhanga, Romano Nkumbwa, Boene, Helena, Biz, Ana Ilda, Bique, Cassimo, Betrán, Ana Pilar, Bannale, Shashidhar G, Augusto, Orvalho, Ansermino, J Mark, Amose, Felizarda, Ahmed, Imran, Adetoro, Olalekan O, Bone, Jeffrey N, Magee, Laura A, Singer, Joel, Nathan, Hannah, Qureshi, Rahat N, Sacoor, Charfudin, Sevene, Esperança, Shennan, Andrew, Bellad, Mrutyunjaya B, Goudar, Shivaprasad S, Mallapur, Ashalata A, Munguambe, Khátia, Vidler, Marianne, Bhutta, Zulfiqar A, and von Dadelszen, Peter

Published
2021
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21. Implementing the QUALI-DEC project in Argentina, Burkina Faso, Thailand and Viet Nam: a process delineation and theory-driven process evaluation protocol

Author

Cleeve, Amanda, primary, Annerstedt, Kristi Sidney, additional, Betrán, Ana Pilar, additional, Mölsted Alvesson, Helle, additional, Kaboré Wendyam, Charles, additional, Carroli, Guillermo, additional, Lumbiganon, Pisake, additional, Nhu Hung, Mac Quoc, additional, Zamboni, Karen, additional, Opiyo, Newton, additional, Bohren, Meghan A., additional, El Halabi, Soha, additional, Gialdini, Celina, additional, Vila Ortiz, Mercedes, additional, Escuriet, Ramón, additional, Robson, Michael, additional, Dumont, Alexandre, additional, and Hanson, Claudia, additional

Published
2023
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24. Provision of medical supply kits to improve quality of antenatal care in Mozambique: a stepped-wedge cluster randomised trial

Author

Aleman, Alicia, Althabe, Fernando, Biza, Adriano, Crahay, Beatrice, Chavane, Leonardo, Colomar, Mercedes, Delvaux, Therese, Dique Ali, Ussumane, Fersurela, Lucio, Geelhoed, Diederike, Jille-Taas, Ingeborg, Malapende, Celsa Regina, Langa, Célio, Osman, Nafissa Bique, Requejo, Jennifer, Timbe, Geraldo, Betrán, Ana Pilar, Bergel, Eduardo, Griffin, Sally, Melo, Armando, Nguyen, My Huong, Carbonell, Alicia, Mondlane, Santos, Merialdi, Mario, Temmerman, Marleen, and Gülmezoglu, A Metin

Published
2018
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30. A research agenda to improve incidence and outcomes of assisted vaginal birth.

Author

Betrán, Ana Pilar, Torloni, Maria Regina, Althabe, Fernando, Altieri, Elena, Arulkumaran, Sabaratnam, Ashraf, Fatema, Bailey, Patricia, Bonet, Mercedes, Bucagu, Maurice, Clark, Emma, Changizi, Nasrin, Churchill, Robyn, Dominico, Sunday, Downe, Soo, Draycott, Tim, Faye, Arfang, Feeley, Claire, Geelhoed, Diederike, Gherissi, Atf, and Gholbzouri, Karima

Subjects
*CHILDBIRTH, *MATERNAL health services, *HEALTH education, *MIDDLE-income countries, *VAGINA, *HUMAN services programs, *CLINICAL competence, *HEALTH, *INFORMATION resources, *COMMUNICATION, *DECISION making, *LOW-income countries, *DELIVERY (Obstetrics)
Abstract

Access to emergency obstetric care, including assisted vaginal birth and caesarean birth, is crucial for improving maternal and childbirth outcomes. However, although the proportion of births by caesarean section has increased during the last few decades, the use of assisted vaginal birth has declined. This is particularly the case in low- and middle-income countries, despite an assisted vaginal birth often being less risky than caesarean birth. We therefore conducted a three-step process to identify a research agenda necessary to increase the use of, or reintroduce, assisted vaginal birth: after conducting an evidence synthesis, which informed a consultation with technical experts who proposed an initial research agenda, we sought and incorporated the views of women's representatives of this agenda. This process has allowed us to identify a comprehensive research agenda, with topics categorized as: (i) the need to understand women's perceptions of assisted vaginal birth, and provide appropriate and reliable information; (ii) the importance of training health-care providers in clinical skills but also in respectful care, effective communication, shared decision-making and informed consent; and (iii) the barriers to and facilitators of implementation and sustainability. From women's feedback, we learned of the urgent need to recognize labour, childbirth and postpartum experiences as inherently physiological and dignified human processes, in which interventions should only be implemented if necessary. The promotion and/or reintroduction of assisted vaginal birth in low-resource settings requires governments, policy-makers and hospital administrators to support skilled health-care providers who can, in turn, respectfully support women in labour and childbirth. [ABSTRACT FROM AUTHOR]

Published
2023
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31. Feasibility and readiness to implement Robson classification to monitor caesarean sections in public hospitals in Myanmar: Formative research

Author

Show, Kyaw Lwin, primary, Maung, Thae Maung, additional, Phyo, Aung Pyae, additional, Aung, Kyaw Thet, additional, Ngamjarus, Chetta, additional, Aye, Nyein Su, additional, Tunçalp, Özge, additional, Betrán, Ana Pilar, additional, Ku, Saw Kler, additional, Lumbiganon, Pisake, additional, Tin, Khaing Nwe, additional, Mon, Nwe Oo, additional, and Bohren, Meghan A., additional

Published
2023
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35. Auditing cesarean section indications in women of Groups 1 to 4 of Robson's Ten-Group Classification System: A descriptive study at a university hospital in Thailand

Author

Robson, Michael, Jampathong, Nampet, Piyamas Saksiriwuttho, Witsawapaisan, Waratchaya, Betrán, Ana Pilar, Sukanya Chaiyarach, Chatuporn Duangkum, Kiattisak Kongwattanakul, Lumbiganon, Pisake, Ratana Komwilaisak, Sothornwit, Jen, and Dumont, Alexander

Subjects
cesarean section, Education
Abstract

Cesarean audit

Published
2023
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39. Prepregnancy and Early Pregnancy Calcium Supplementation Among Women at High Risk of Pre-eclampsia: A Multicentre, Double-blind, Randomised, Placebo-Controlled Trial

Author

Hofmeyr, G. Justus, Betrán, Ana Pilar, Singata-Madliki, Mandisa, Cormick, Gabriela, Munjanja, Stephen P., Fawcus, Susan, Mose, Simpiwe, Hall, David, Ciganda, Alvaro, Seuc, Armando H., Lawrie, Theresa A., Bergel, Eduardo, Roberts, James M., von Dadelszen, Peter, and Belizán, José M.

Published
2019
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40. Gestational weight gain outside the Institute of Medicine recommendations and adverse pregnancy outcomes: analysis using individual participant data from randomised trials

Author

Rogozińska, Ewelina, Zamora, Javier, Marlin, Nadine, Betrán, Ana Pilar, Astrup, Arne, Bogaerts, Annick, Cecatti, Jose G., Dodd, Jodie M., Facchinetti, Fabio, Geiker, Nina R. W., Haakstad, Lene A. H., Hauner, Hans, Jensen, Dorte M., Kinnunen, Tarja I., Mol, Ben W. J., Owens, Julie, Phelan, Suzanne, Renault, Kristina M., Salvesen, Kjell Å., Shub, Alexis, Surita, Fernanda G., Stafne, Signe N., Teede, Helena, van Poppel, Mireille N. M., Vinter, Christina A., Khan, Khalid S., Thangaratinam, Shakila, and for the International Weight Management in Pregnancy (i-WIP) Collaborative Group

Published
2019
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44. Odon device for instrumental vaginal deliveries: results of a medical device pilot clinical study

Author

Schvartzman, Javier A., Krupitzki, Hugo, Merialdi, Mario, Betrán, Ana Pilar, Requejo, Jennifer, Nguyen, My Huong, Vayena, Effy, Fiorillo, Angel E., Gadow, Enrique C., Vizcaino, Francisco M., von Petery, Felicitas, Marroquin, Victoria, Cafferata, María Luisa, Mazzoni, Agustina, Vannevel, Valerie, Pattinson, Robert C., Gülmezoglu, A Metin, Althabe, Fernando, Bonet, Mercedes, and for the World Health Organization Odon Device Research Group

Published
2018
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50. 455Association of interpregnancy interval and preterm births: what does a sibling-matched study indicate?

Author

Tessema, Gizachew, primary, Marinovich, M Luke, additional, Håberg, Siri E, additional, Gissler, Mika, additional, Mayo, Jonathan A, additional, Nassar, Natasha, additional, Ball, Stephen, additional, Betrán, Ana Pilar, additional, Gebremedhin, Amanuel T, additional, de Klark, Nick, additional, Magnus, Maria C, additional, Marston, Cicely, additional, Regan, Annette K, additional, Shaw, Gary M, additional, Padula, Amy M, additional, and Pereira, Gavin, additional

Published
2021
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