Liv Bente Romundstad
Researcher, Gynecologist, MD, PhD
Contact
Department
Projects and publications
- Maria Christine Magnus, Karoline Hansen Skåra, Ellen Øen Carlsen, Miriam Gjerdevik, Cecilia H. Ramlau-Hansen, Mikko Myrskylä, Liv Bente Bergem Romundstad, Siri Eldevik Håberg, (2025). Use of assisted reproductive technologies for male and female infertility and perinatal outcomes. Fertility and Sterility s. 1-10. doi: 10.1016/j.fertnstert.2025.02.013
- Laura L. Oakley, Dana Kristjansson, Monica Cheng Munthe-Kaas, Huong Thu Nguyen, Yunsung Lee, Hans Ivar Hanevik, Liv Bente Bergem Romundstad, Robert Lyle, Siri Eldevik Håberg, (2024). Sex differences in childhood cancer risk following ART conception: a registry-based study. Human Reproduction s. 382-390. doi: 10.1093/humrep/deae285
- Mari Landås Warp, Thea Karoline Walstad Grindstad, Maria Christine Magnus, Christian Magnus Page, Siri Eldevik Håberg, Nils-Halvdan Morken, Liv Bente Bergem Romundstad, Hans Ivar Hanevik, (2024). Early or late menarche is associated with reduced fecundability in the Norwegian Mother, Father and Child Cohort Study. Human Reproduction s. 812-821. doi: 10.1093/humrep/deae011
- Maria Christine Magnus, Siri Eldevik Håberg, Kristiina Rönö, Liv Bente Bergem Romundstad, Christina Bergh, Anne Lærke Spangmose, Anja Pinborg, Mika Gissler, Ulla-Britt Wennerholm, Signe Opdahl, (2023). Risk of stroke the year following a delivery after using assisted reproductive technologies. Paediatric and Perinatal Epidemiology s. 197-201. doi: 10.1111/ppe.13037
- Anna-Karina Aaris Henningsen, Signe Opdahl, Ulla-Britt Wennerholm, Aila Tiitinen, Steen Rasmussen, Liv Bente Bergem Romundstad, Christina Bergh, Mika Gissler, Julie Lyng Forman, Anja Pinborg, (2023). Risk of congenital malformations in live-born singletons conceived after intracytoplasmic sperm injection: a Nordic study from the CoNARTaS group. Fertility and Sterility doi: 10.1016/j.fertnstert.2023.07.003
- Maria Christine Magnus, Abigail Fraser, Siri Eldevik Håberg, Kristiina Rönö, Liv Bente Bergem Romundstad, Christina Bergh, Anne Lærke Spangmose, Anja Pinborg, Mika Gissler, Ulla-Britt Wennerholm, Bjørn Olav Åsvold, Deborah A. Lawlor, Signe Opdahl, (2023). Maternal Risk of Cardiovascular Disease after Use of Assisted Reproductive Technologies. JAMA cardiology s. 837-845. doi: 10.1001/jamacardio.2023.2324
- Eirik Landsverk, Kjersti Westvik-Johari, Liv Bente Bergem Romundstad, Signe Opdahl, (2023). Birth size after embryo cryopreservation: larger by all measures?. Human Reproduction s. 1379-1389. doi: 10.1093/humrep/dead094
- Kjersti Westvik-Johari, Siri Eldevik Håberg, Deborah A. Lawlor, Liv Bente Bergem Romundstad, Christina Bergh, Ulla-Britt Wennerholm, Mika Gissler, Anna-Karina A. Henningsen, Aila Tiitinen, Anja Pinborg, Signe Opdahl, (2023). The challenges of selective fertility and carryover effects in within-sibship analyses: the effect of assisted reproductive technology on perinatal mortality as an example. International Journal of Epidemiology s. 403-413. doi: 10.1093/ije/dyad003
- Kjersti Westvik-Johari, Deborah Lawlor, Liv Bente Bergem Romundstad, Christina Bergh, Ulla-Britt Wennerholm, Mika Gissler, Anna-Karina Aaris Henningsen, Siri Eldevik Håberg, Aila Tiitinen, Anne Lærke Spangmose, Anja Bisgaard Pinborg, Signe Opdahl, (2022). Risk of stillbirth and neonatal death in singletons born after fresh and frozen embryo transfer: cohort study from the Committee of Nordic Assisted Reproduction Technology and Safety. Fertility and Sterility s. 265-276. doi: 10.1016/j.fertnstert.2022.10.020
- Sindre Hoff Petersen, Kjersti Westvik-Johari, Anne Lærke Spangmose, Anja Bisgaard Pinborg, Liv Bente Bergem Romundstad, Christina Bergh, Bjørn Olav Åsvold, Mika Gissler, Aila Tiitinen, Ulla-Britt Wennerholm, Signe Opdahl, (2022). Risk of Hypertensive Disorders in Pregnancy After Fresh and Frozen Embryo Transfer in Assisted Reproduction: A Population-Based Cohort Study With Within-Sibship Analysis. Hypertension s. e6-e16. doi: 10.1161/HYPERTENSIONAHA.122.19689
- Marie Søfteland Sandvei, Anja Pinborg, Mika Gissler, Christina Bergh, Liv Bente Bergem Romundstad, Flora E. van Leeuwen, Mandy Spaan, Aila Tiitinen, Ulla-Britt Wennerholm, Anna-Karina Henningsen, Signe Opdahl, (2022). Risk of ovarian cancer in women who give birth after assisted reproductive technology (ART)—a registry-based Nordic cohort study with follow-up from first pregnancy. British Journal of Cancer doi: 10.1038/s41416-022-02097-7
- R. Klemetti, B. Perry, A K Aaris Henningsen, A Lærke Spangmose, A. Pinborg, Signe Opdahl, Liv Bente Bergem Romundstad, C. Bergh, U.B. Wennerholm, A. Tiitinen, M. Gissler, (2022). Puberty disorders among ART-conceived singletons: a Nordic register study from the CoNARTaS group. Human Reproduction s. 2402-2411. doi: 10.1093/humrep/deac192
- Nona Sargisian, Birgitta Lannering, Max Petzold, Signe Opdahl, Mika Gissler, Anja Pinborg, Anna-Karina Aaris Henningsen, Aila Tiitinen, Liv Bente Bergem Romundstad, Anne Lærke Spangmose, Christina Bergh, Ulla-Britt Wennerholm, (2022). Cancer in children born after frozen-thawed embryo transfer: A cohort study. PLoS Medicine doi: 10.1371/journal.pmed.1004078
- E.-M. Pohjonen, V. Söderström-Anttila, C. Bergh, A. Loft, Å. Magnusson, A. Pinborg, Nan Birgitte Oldereid, M. Petzold, Liv Bente Bergem Romundstad, H. Laivuori, (2022). Obstetric and perinatal risks after the use of donor sperm: A systematic review and meta-analysis. European Journal of Obstetrics, Gynecology, and Reproductive Biology s. 210-228. doi: 10.1016/j.ejogrb.2022.05.031
- Kristiina Rönö, Essi Rissanen, Christina Bergh, Ulla-Britt Wennerholm, Signe Opdahl, Liv Bente Bergem Romundstad, Anna-Karina Aaris Henningsen, Anne Lærke Spangmose, Anja Pinborg, Mika Gissler, Aila Tiitinen, (2022). The neurodevelopmental morbidity of children born after assisted reproductive technology: a Nordic register study from the Committee of Nordic Assisted Reproductive Technology and Safety group. Fertility and Sterility s. 1026-1037. doi: 10.1016/j.fertnstert.2022.01.010
- Åsa Magnusson, Hannele Laivuori, Anne Loft, Nan Birgitte Oldereid, Anja Pinborg, Max Petzold, Liv Bente Bergem Romundstad, Viveca Söderström-Anttila, Christina Bergh, (2021). The Association Between High Birth Weight and Long-Term Outcomes—Implications for Assisted Reproductive Technologies: A Systematic Review and Meta-Analysis. Frontiers in Pediatrics doi: 10.3389/fped.2021.675775
- Emma Norrman, Max Petzold, Mika Gissler, Anne Lærke Spangmose, Signe Opdahl, Anna-Karina Henningsen, Anja Pinborg, Aila Tiitinen, Annika Rosengren, Liv Bente Romundstad, Ulla-Britt Wennerholm, Christina Bergh, (2021). Cardiovascular disease, obesity, and type 2 diabetes in children born after assisted reproductive technology: A population-based cohort study. PLoS Medicine s. 1-23. doi: 10.1371/journal.pmed.1003723
- Sine Berntsen, Hannele Laivuori, Nina la Cour Freiesleben, Anne Loft, Viveca Söderström-Anttila, Nan Birgitte Oldereid, Liv Bente Bergem Romundstad, Åsa Magnusson, Max Petzold, Christina Bergh, Anja Pinborg, (2021). A systematic review and meta-analysis on the association between ICSI and chromosome abnormalities. Human Reproduction Update s. 801-847. doi: 10.1093/humupd/dmab005
- A.M. Terho, S. Pelkonen, Signe Opdahl, L.B. Romundstad, Christina Bergh, Ulla-Britt Wennerholm, Anna-Karina A. Henningsen, Anja Pinborg, Mika Gissler, A. Tiitinen, (2021). High birth weight and large-for-gestational-age in singletons born after frozen compared to fresh embryo transfer, by gestational week: a Nordic register study from the CoNARTaS group. Human Reproduction s. 1083-1092. doi: 10.1093/humrep/deaa304
- Kjersti Westvik-Johari, Liv Bente Romundstad, Deborah A. Lawlor, Christina Bergh, Mika Gissler, Anna-Karina A. Henningsen, Siri Eldevik Håberg, Ulla-Britt Wennerholm, Aila Tiitinen, Anja Pinborg, Signe Opdahl, (2021). Separating parental and treatment contributions to perinatal health after fresh and frozen embryo transfer in assisted reproduction: A cohort study with within-sibship analysis. PLoS Medicine doi: 10.1371/journal.pmed.1003683
- Anne Lærke Spangmose, Lene Hee Christensen, Anna-Karina A. Henningsen, Julie Lyng Forman, Signe Opdahl, Liv Bente Bergem Romundstad, Kate Himmelmann, Christina Bergh, Ulla-Britt Wennerholm, Aila Tiitinen, Mika Gissler, Anja Pinborg, (2021). Cerebral palsy in ART children has declined substantially over time: a Nordic study from the CoNARTaS group. Human Reproduction s. 2358-2370. doi: 10.1093/humrep/deab122
- Maria Christine Magnus, Allen J. Wilcox, Elin Anita Fadum, Håkon Gjessing, Signe Opdahl, Petur Benedikt Juliusson, Liv Bente Bergem Romundstad, Siri Eldevik Håberg, (2021). Growth in children conceived by ART. Human Reproduction s. 1074-1082. doi: 10.1093/humrep/deab007
- Anna-Karina A. Henningsen, Mika Gissler, Steen C. Rasmussen, Signe Opdahl, Ulla-Britt Wennerholm, A.L. Spangsmose, Aila Tiitinen, Christina Bergh, Liv Bente Bergem Romundstad, Hannele Laivuori, Julie Lyng Forman, Anja Pinborg, O. Lidegaard, (2020). Imprinting disorders in children born after ART: A Nordic study from the CoNARTaS group. Human Reproduction s. 1178-1184. doi: 10.1093/humrep/deaa039
- Anne Lærke Spangmose, Ernstad Ginström Ernstad, Sara Sofia Malchau, Julie Lyng Forman, Aila Tiitinen, Mika Gissler, Signe Opdahl, Liv Bente Bergem Romundstad, Christina Bergh, Ulla-Britt Wennerholm, Anna-Karina A. Henningsen, Anja Pinborg, (2020). Obstetric and perinatal risks in 4601 singletons and 884 twins conceived after fresh blastocyst transfers: a Nordic study from the CoNARTaS group. Human Reproduction s. 805-815. doi: 10.1093/humrep/deaa032
- Sindre Hoff Petersen, Christina Bergh, Mika Gissler, Bjørn Olav Åsvold, Liv Bente Bergem Romundstad, Aila Tiitinen, Anne Lærke Spangmose, Anja Pinborg, Ulla-Britt Wennerholm, Anna-Karina A. Henningsen, Signe Opdahl, (2020). Time trends in placenta-mediated pregnancy complications after assisted reproductive technology in the Nordic countries. American Journal of Obstetrics and Gynecology doi: 10.1016/j.ajog.2020.02.030
- Erica G. Ernstad, Anne Lærke Spangmose, Signe Opdahl, Anna Karina Aaris Henningsen, Liv Bente Bergem Romundstad, Aila Tiitinen, Mika Gissler, Ulla-Britt Wennerholm, Anja Pinborg, Christina Bergh, Sara Sofia Malchau, (2019). Perinatal and maternal outcome after vitrification of blastocysts: A Nordic study in singletons from the CoNARTaS group. Human Reproduction s. 2282-2289. doi: 10.1093/humrep/dez212
- Signe Opdahl, Anna-Karina Aaris Henningsen, Christina Bergh, Mika Gissler, Liv Bente Bergem Romundstad, Max Petzold, Aila Tiitinen, Ulla-Britt Wennerholm, Anja Pinborg, (2019). Data resource profile: the Committee of Nordic Assisted Reproductive Technology and Safety (CoNARTaS) cohort. International Journal of Epidemiology doi: 10.1093/ije/dyz228
- Sine Berntsen, Viveca Söderström-Anttila, Ulla-Britt Wennerholm, Hannele Laivuori, Anne Loft, Nan Birgitte Oldereid, Liv Bente Bergem Romundstad, Christina Bergh, Anja Pinborg, (2019). The health of children conceived by ART: ‘the chicken or the egg?’. Human Reproduction Update s. 137-158. doi: 10.1093/humupd/dmz001
- Nan Birgitte Oldereid, Ulla-Britt Wennerholm, Anja Pinborg, Anne Loft, Hannele Laivuori, Max Petzold, Liv Bente Bergem Romundstad, Viveca Söderström-Anttila, Christina Bergh, (2018). The effect of paternal factors on perinatal and paediatric outcomes: A systematic review and meta-analysis. Human Reproduction Update s. 320-389. doi: 10.1093/humupd/dmy005
- Ida Almenning Kiel, Kari Margrethe Lundgren, Siv Mørkved, Sigrun Beate Kjøtrød, Øyvind Salvesen, Liv Bente Bergem Romundstad, Trine Moholdt, (2018). Women undergoing assisted fertilisation and high-intensity interval training: a pilot randomised controlled trial. BMJ Open sport & exercise medicine doi: 10.1136/bmjsem-2018-000387
- Anna-Karina A. Henningsen, Christina Bergh, Rolv Skjaerven, Aila Tiitinen, Ulla-Britt Wennerholm, Liv Bente Bergem Romundstad, Mika Gissler, Signe Opdahl, Anders Nyboe Andersen, Øjvind Lidegaard, Julie Lyng Forman, Anja Pinborg, (2018). Trends over time in congenital malformations in live-born children conceived after assisted reproductive technology. Acta Obstetricia et Gynecologica Scandinavica s. 816-823. doi: 10.1111/aogs.13347
- Carlos Calhaz–Jorge, Geyter De Geyter, M.S. Kupka, Mouzon De Mouzon, K. Erb, E. Mocanu, T. Motrenko, Giulia Scaravelli, C. Wyns, V. Goossens, Orion Gliozheni, Heinz Strohmer, Elena Petrovskaya, Oleg Tishkevich, Kris Bogaerts, Irena Antonova, Dejan Ljiljak, Michael Pelekanos, Karel Rezabek, Jitka Markova, Josephine Lemmen, Deniss Sõritsa, Mika Gissler, Aila Tiitinen, Dominique Royere, Andreas Tandler–Schneider, Markus Kimmel, Dimitris Loutradis, Aris J. Antsaklis, Janos Urbancsek, Kosztolanyi G. Kosztolanyi, Hilmar Bjorgvinsson, Vyacheslav N. Lokshin, Valiyev Ravil, Valeria Magomedova, Zivile Gudleviciene, Giedre Belo lopes, Zoranco Petanovski, Jean Calleja-Agius, Veaceslav Moshin, Dragana Vukicevic, Liv Bente Bergem Romundstad, Anna Janicka, Ana Rita Laranjeira, Ioana Rugescu, Bogdan Doroftei, Vladislav Korsak, Nebosja Radunovic, Sci. Nada Tabs, Tomaz Tomazevic, Irma Virant-Klun, Juana Hernandez Hernandez, José Antonio Castilla Alcalá, Christina Bergh, Maya Weder, Jesper M.J. Smeenk, Mykola Gryshchenko, Richard Baranowski, (2017). Assisted reproductive technology in Europe, 2013: Results generated from European registers by ESHRE. Human Reproduction s. 1957-1973. doi: 10.1093/humrep/dex264
- Maria Christine Magnus, Sara Ghaderi, Nils-Halvdan Morken, Per Magnus, Liv Bente Bergem Romundstad, Rolv Skjaerven, Allen J Wilcox, Siri Eldevik Håberg, (2017). Vanishing twin syndrome among ART singletons and pregnancy outcomes. Human Reproduction s. 2298-2304. doi: 10.1093/humrep/dex277
- M.S. Kupka, Thomas D’hooghe, A.P. Ferraretti, Mouzon de Mouzon, Karin Erb, José Antonio Castilla Alcalá, Carlos Calhaz-Jorge, Christian De Geyter, V. Goossens, Heinz Strohmer, Elena Petrovskaya, Oleg Tishkevich, Christine Wyns, Stanimir Kyurkchiev, Irena Antonova, Michael Pelekanos, Karel Rezabek, Mgr. Jitka Markova, Josephine Lemmen, Deniss Sõritsa, Mika Gissler, Aila Tiitinen, Dominique Royere, Andreas Tandler-Schneider, Dimitris Loutradis, Basil C. Tarlatzis, G. Kosztolanyi, Janos Urbancsek, Hilmar Bjorgvinsson, Edgar Mocanu, Giulia Scaravelli, Vyacheslav Lokshin, Valiyev Ravil, Zivile Gudleviciene, Giedre Belo Lopes, Veaceslav Moshin, Tatjana Motrenko Simic, Dragana Vukicevic, Liv Bente Bergem Romundstad, Rafael Kurzawa, Ana Rita Laranjeira, Ioana Rugescu, Bogdan Doroftei, Vladislav Korsak, Nebosja Radunovic, Nada Tabs, Tomaz Tomazevic, Irma Virant-Klun, Juana Hernandez Hernandez, Christina Bergh, Maya Weder, Jesper M.J. Smeenk, Mykola Gryshchenko, Richard Baranowski, (2016). Assisted reproductive technology in Europe, 2011: Results generated from European registers by ESHRE. Human Reproduction s. 233-248. doi: 10.1093/humrep/dev319
- C. Calhaz-Jorge, Geyter De Geyter, M.S. Kupka, Mouzon De Mouzon, K. Erb, E. Mocanu, T. Motrenko, G. Scaravelli, C. Wyns, V. Goossens, Orion Gliozheni, Heinz Strohmer, Elena Petrovskaya, Oleg Tishkevich, Christine Wyns, Kris Bogaerts, Irena Antonova, Hrvoje Vrcic, Dejan Ljiljak, Karel Rezabek, Jitka Markova, Josephine Lemmen, Karin Erb, Deniss Sõritsa, Mika Gissler, Aila Tiitinen, Dominique Royere, Andreas Tandler-Schneider, Monika Uszkoriet, Dimitris Loutradis, Basil C. Tarlatzis, Janos Urbancsek, G. Kosztolanyi, Hilmar Bjorgvinsson, Edgar Mocanu, Giulia Scaravelli, Vyacheslav Lokshin, Valiyev Ravil, Zivile Gudleviciene, Giedre Belo Lopes, Veaceslav Moshin, Tatjana Motrenko Simic, Dragana Vukicevic, Liv Bente Bergem Romundstad, Rafael Kurzawa, Carlos Calhaz-Jorge, Ana Rita Laranjeira, Ioana Rugescu, Bogdan Doroftei, Vladislav Korsak, Nebosja Radunovic, Nada Tabs, Tomaz Tomazevic, Irma Virant-Klun, Juana Hernandez Hernandez, José Antonio Castilla Alcalá, Christina Bergh, Maya Weder, Christian De Geyter, Jesper M.J. Smeenk, Mykola Gryshchenko, Richard Baranowski, (2016). Assisted reproductive technology in Europe, 2012: Results generated from European registers by ESHRE. Human Reproduction s. 1638-1652. doi: 10.1093/humrep/dew151
- Morten Storgaard, A Loft, C Bergh, U.B. Wennerholm, V Söderström-Antilla, Liv Bente Bergem Romundstad, Kristiina Aittomäki, Nan Birgitte Oldereid, J.L. Forman, Anja Pinborg, (2016). Obstetric and neonatal complications in pregnancies conceived after oocyte donation: a systematic review and meta-analysis. BJOG: An International Journal of Obstetrics and Gynaecology s. 561-572. doi: 10.1111/1471-0528.14257
- Anna Lena Wennberg, Signe Opdahl, Christina Bergh, Anna-Karina Aaris Henningsen, Mika Gissler, Liv Bente Bergem Romundstad, Anja Pinborg, Aila Tiitinen, Rolv Skjaerven, Ulla-Britt Wennerholm, (2016). Effect of maternal age on maternal and neonatal outcomes after assisted reproductive technology. Fertility and Sterility s. 1142-1149.e14. doi: 10.1016/j.fertnstert.2016.06.021
- Viveca Soderstrom-Anttila, Ulla-Britt Wennerholm, Anne Loft, Anja Pinborg, Kristiina Aittomäki, Liv Bente Romundstad, Christina Bergh, (2016). Surrogacy: outcomes for surrogate mothers, children and the resulting families-a systematic review. Human Reproduction Update s. 260-276. doi: 10.1093/humupd/dmv046
- Kari Margrethe Lundgren, Liv Bente Romundstad, Vidar Von Düring, Siv Mørkved, Sigrun Beate Kjøtrød, Trine Tegdan Moholdt, (2016). Exercise prior to assisted fertilization in overweight and obese women (FertilEx): study protocol for a randomized controlled trial. Trials doi: 10.1186/s13063-016-1398-x
- Signe Opdahl, A.A. Henningsen, A Tiitinen, C Bergh, A. Pinborg, Pål Richard Romundstad, UB Wennerholm, M Gissler, Rolv Skjaerven, Liv Bente Romundstad, (2015). Risk of hypertensive disorders in pregnancies following assisted reproductive technology: a cohort study from the CoNARTaS group. Human Reproduction s. 1724-1731. doi: 10.1093/humrep/dev090
- A.A. Henningsen, M Gissler, Rolv Skjaerven, C Bergh, A Tiitinen, Liv Bente Romundstad, UB Wennerholm, O Lidegaard, A Nyboe Andersen, J.L. Forman, A. Pinborg, (2015). Trends in perinatal health after assisted reproduction: A Nordic study from the CoNARTaS group. Human Reproduction s. 710-716. doi: 10.1093/humrep/deu345
- Anne Tandberg, Kari Klungsøyr, Liv Bente Romundstad, Rolv Skjaerven, (2015). Pre-eclampsia and assisted reproductive technologies: Consequences of advanced maternal age, interbirth intervals, new partner and smoking habits. BJOG: An International Journal of Obstetrics and Gynaecology s. 915-922. doi: 10.1111/1471-0528.13051
- Karin Jerhamre Sundh, Anna-Karina A. Henningsen, Karin Källén, Christina Bergh, Liv Bente Romundstad, Mika Gissler, Anja Pinborg, Rolv Skjaerven, Aila Tiitinen, Ditte Vassard, Birgitta Lannering, Ulla-Britt Wennerholm, (2014). Cancer in children and young adults born after assisted reproductive technology: A Nordic cohort study from the Committee of Nordic ART and Safety (CoNARTaS). Human Reproduction s. 2050-2057. doi: 10.1093/humrep/deu143
- Nan Birgitte Oldereid, Hans Ivar Hanevik, Inga Bakkevig, Liv Bente Romundstad, Øystein Magnus, Johan Hazekamp, Martha Agnes Hentemann, Snorre N. Eikeland, Siren Skrede, Ingeborg R. Reitan, Tom Gunnar Tanbo, (2014). Pregnancy outcome according to male diagnosis after ICSI with non-ejaculated sperm compared with ejaculated sperm controls. Reproductive Biomedicine Online s. 417-423. doi: 10.1016/j.rbmo.2014.06.009
- A.A. Henningsen, UB Wennerholm, M Gissler, Liv Bente Romundstad, K.G. Nygren, A Tiitinen, Rolv Skjaerven, A. Nyboe Andersen, Øivind Lidegaard, J.L. Forman, A. Pinborg, (2014). Risk of stillbirth and infant deaths after assisted reproductive technology: a Nordic study from the CoNARTaS group. Human Reproduction s. 1090-1096. doi: 10.1093/humrep/deu031
- Ulla-Britt Wennerholm, Anna-Karina A Henningsen, Liv Bente Romundstad, Christina Bergh, Anja Pinborg, Rolv Skjaerven, Julie Lyng Forman, Mika Gissler, Karl-Gösta Nygren, Aila Tiitinen, (2013). Perinatal outcomes of children born after frozen-thawed embryo transfer: a Nordic cohort study from the CoNARTaS group. Human Reproduction s. 2545-2553. doi: 10.1093/humrep/det272
- Anna Hagman, Anne Loft, Ulla-Britt Wennerholm, Anja Pinborg, Christina Bergh, Kristiina Aittomäki, Karl-Gösta Nygren, Liv Bente Romundstad, Johan T. Hazekamp, V Söderström-Anttila, (2013). Obstetric and neonatal outcome after oocyte donation in 106 women with Turner syndrome: a Nordic cohort study. Human Reproduction s. 1598-1609. doi: 10.1093/humrep/det082
- Anja Pinborg, UB Wennerholm, Liv Bente Romundstad, A Loft, K Aittomaki, V Söderström-Anttila, Karl-Gösta Nygren, Johan T. Hazekamp, C Bergh, (2013). Why do singletons conceived after assisted reproduction technology have adverse perinatal outcome? Systematic review and meta-analysis. Human Reproduction Update s. 87-104. doi: 10.1093/humupd/dms044
- Anna-Karina A Henningsen, Liv Bente Romundstad, Mika Gissler, Karl-Gösta Nygren, Øivind Lidegaard, Rolv Skjaerven, Aila Tiitinen, Anders Nyboe Andersen, Ulla-Britt Wennerholm, Anja Pinborg, (2011). Infant and maternal health monitoring using a combined Nordic database on ART and safety. Acta Obstetricia et Gynecologica Scandinavica s. 683-691. doi: 10.1111/j.1600-0412.2011.01145.x
- Liv Bente Romundstad, Pål R Romundstad, Arne Sunde, Vidar von Düring, Rolv Skjærven, Lars J Vatten, (2009). Assisted fertilization and breech delivery: risks and obstetric management. Human Reproduction s. 3205-3210. doi: 10.1093/humrep/dep301
- Liv Bente Romundstad, Pål R Romundstad, Arne Sunde, Vidar von Düring, Rolv Skjærven, David Gunnell, Lars J Vatten, (2008). Effects of technology or maternal factors on perinatal outcome after assisted fertilisation: a population-based cohort study. The Lancet s. 737-743. doi: 10.1016/S0140-6736(08)61041-7
- Liv Bente Romundstad, Pål R. Romundstad, Arne Sunde, Vidar von Düring, Rolv Skjaerven, Lars Johan Vatten, (2006). Increased risk of placenta previa in pregnancies following IVF/ICSI; a comparison of ART and non-ART pregnancies in the same mother. Human Reproduction s. 2353-2358. doi: 10.1093/humrep/del153
- Liv Bente Romundstad, Lars Johan Vatten, (2009). Assisted fertilization in Norway: safety of the reproductive technology.
- Liv Bente Bergem Romundstad, (2022). Dobling i assistert befruktning.
- Liv Bente Bergem Romundstad, (2022). Sliter med å rekruttere eggdonorer - må avvise mange som ønsker å bli gravide.
- Anna-Karina A. Henningsen, M. Gissler, Steen C. Rasmussen, Signe Opdahl, Ulla-Britt Wennerholm, Anne Lærke Spangmose, A. Tiitinen, Christina Bergh, L.B. Romundstad, Hannele Laivuori, Julie Lyng Forman, Anja Pinborg, Øjvind Lidegaard, (2021). Corrigendum. Imprinting disorders in children born after ART: a Nordic study from the CoNARTaS group. Human Reproduction doi: 10.1093/humrep/deab076
- Anne Lærke Spangmose, Signe Opdahl, Sara Sofia Malchau, Erica G Ernstad, Liv Bente Bergem Romundstad, Ulla-Britt Wennerholm, Christina Bergh, Anna Karina Aaris Henningsen, Anja Pinborg, (2019). O-035 Obstetric and perinatal risks in 8,368 singletons and 1,167 twins conceived after fresh and frozen blastocyst transfers in the Nordic countries – a CoNARTaS collaboration.
- Sindre Hoff Petersen, Mika Gissler, Christina Bergh, Bjørn Olav Åsvold, Liv Bente Bergem Romundstad, Aila Tiitinen, Steen Christian Rasmussen, Max Petzold, Anja Pinborg, Ulla-Britt Wennerholm, Anna Karina Aaris Henningsen, Signe Opdahl, (2019). O-185 Time trends in pregnancy complications over three decades of assisted reproduction technology (ART) – a registry-based study from the Committee of Nordic ART and Safety.
- Eirik Landsverk, Kjersti Westvik-Johari, Liv Bente Bergem Romundstad, Signe Opdahl, (2019). P-768 Birth size in children born after cryopreservation of embryo in assisted reproduction compared to fresh embryo transfer and spontaneous conception.
- Liv Bente Bergem Romundstad, (2019). 40 år med assistert befruktning. Tidsskrift for Den norske legeforening (Tidsskriftet) s. 117-117. doi: 10.4045/tidsskr.18.0890
- Signe Opdahl, Anna-Karina A. Henningsen, Aila Tiitinen, Christina Bergh, Anja Pinborg, Ulla-Britt Wennerholm, Mika Gissler, Rolv Skjaerven, Liv Bente Bergem Romundstad, (2016). Birthweight according to hypertensive disorders in pregnancy and conception method – exploring the excess risk of large babies and hypertension following cryopreservation of embryo. Hum Reprod 2016: 31(Suppl 1): P-575.
- Liv Bente Bergem Romundstad, (2016). 12 ting du bør vite om mensen.
- Liv Bente Bergem Romundstad, (2016). Forskernes kontroversielle funn om barnefødsler: KAN LØNNE SEG Å VENTE.
- Liv Bente Romundstad, (2015). Prevensjon etter fødselen.
- Liv Bente Romundstad, (2015). Which treatment option for couples with unexplained or mild male subfertility?.
- Liv Bente Romundstad, Signe Opdahl, Anja Pinborg, (2015). Which treatment option for couples with unexplained or mild male subfertility? Intrauterine insemination looks like the best first choice. The BMJ doi: 10.1136/bmj.g7843
- Liv Bente Romundstad, (2014). Ikke vent for lenge med å gå til legen.
- Anna-Karina A Henningsen, Ulla-Britt Wennerholm, Mika Gissler, Liv Bente Romundstad, Karl-Gösta Nygren, Aila Tiitinen, Rolv Skjaerven, Anders Nyboe Andersen, Øjvind Lidegaard, Julie Lyng Forman, Anja Pinborg, (2014). Reply: Implication of the liberal use of ART in Nordic countries: Should stricter guidelines be created to prevent unnecessary stillbirth and preterm delivery?. Human Reproduction s. 2600-2601. doi: 10.1093/humrep/deu244
- Ulla-Britt Wennerholm, Karin Jerhamre-Sundh, Anna Karina Henningsen, Liv Bente Romundstad, Mika Gissler, Anja Pinborg, Aila Tiitinen, Rolv Skjaerven, Christina Bergh, (2014). Risk of cancer in children and young adults born after ART: a Nordic cohort study from the CoNARTaS group. American Journal of Obstetrics and Gynecology s. S54-S54.
- A.A. Henningsen, M Gissler, K.G. Nygren, Rolv Skjaerven, A Tiitinen, U.B. Wennerholm, Liv Bente Romundstad, A. Nyboe Andersen, O. Lidegaard, J.L. Forman, A. Pinborg, (2013). The risk of congenital heart malformations in children born after assisted reproductive technology: a nordic cohort study from the conartas group. Human Reproduction
- Leiv Arne Rosseland, Liv Bente Romundstad, (2013). Multimodal pain management with glucocorticoids: killing two birds with one stone or shooting sparrows with cannons?. Acta Anaesthesiologica Scandinavica s. 819-822. doi: 10.1111/aas.12139
- Liv Bente Romundstad, (2013). Eldre mødre får oftere tvillinger.
- Liv Bente Romundstad, (2013). Infertilitet, årsaker utredning og behandling. Prøvetaking og tolkning av hormonprøver.
- Liv Bente Romundstad, (2013). INCREASED RISK OF PLACENTAL ABRUPTION IN PREGNANCIES FOLLOWING ASSISTED REPRODUCTIVE TECHNOLOGY.
- Anna Hagman, Anne Loft, Ulla-Britt Wennerholm, Anja Pinborg, Christina Bergh, Kristiina Aittomäki, Karl-Gösta Nygren, Liv Bente Romundstad, Johan Hazekamp, Viveca Soderstrom-Anttila, (2013). Obstetric and neonatal outcome after oocyte donation in 106 women with Turner syndrome - a Nordic cohort study. Human Reproduction s. 97-97.
- Ulla-Britt Wennerholm, Anna-Karina A Henningsen, Liv Bente Romundstad, Christina Bergh, Anja Pinborg, Rolv Skjaerven, Julie Lyng Forman, Mika Gissler, Karl-Gösta Nygren, Aila Tiitinen, (2013). Birth weight in children born after frozen thawed embryo transfer (n)over-tilde a Nordic cohort study from the CoNARTaS group. Human Reproduction s. 98-98.
- Ulla-Britt Wennerholm, Anna-Karina A Henningsen, Liv Bente Romundstad, Rolv Skjaerven, Karl-Gösta Nygren, Mika Gissler, Aila Tiitinen, Anja Pinborg, (2013). Perinatal outcome in singletons born after replacement of frozen/thawed embryos. American Journal of Obstetrics and Gynecology s. S20-S20.
- Liv Bente Romundstad, (2012). Number of embryos to transfer: better safe than sorry?. The Lancet s. 497-498. doi: 10.1016/S0140-6736(11)61478-5
- Liv Bente Romundstad, Lars Johan Vatten, Arne Sunde, Vidar Von Düring, Rolv Skjaerven, Pål Richard Romundstad, (2010). Obstetric management and breech deliveries in ART pregnancies. Human Reproduction s. I34-I34.
- Liv Bente Romundstad, (2007). Infertilitet, utredning og behandling.
- Liv Bente Romundstad, (2006). In vitro fertilization linked to complications.
- Liv Bente Romundstad, (2006). IVF pregnancy complication link.
- Liv Bente Romundstad, (2006). IVF complication link.
- Liv Bente Romundstad, (2006). Assisted fertilization could boost pregnancy complication risk.
- Liv Bente Romundstad, (2006). IVF may lift pregnacy complication risk.
- Liv Bente Romundstad, (2006). Færre tvillinger etter prøverørsbehandling.
- Liv Bente Romundstad, (2006). IVF might increase risk of pregnacy complication;placenta previa.
- Liv Bente Romundstad, Pål Richard Romundstad, Arne Sunde, Vidar von Düring, Rolv Skjærven, Lars Johan Vatten, (2006). Økt risiko for placenta previa i svangerskap etter assistert befruktning.
- Liv Bente Romundstad, Pål Richard Romundstad, Arne Sunde, Vidar von Düring, Rolv Skjærven, Lars Johan Vatten, (2006). The risk of placenta previa in prenancies following IVF/ICSI.
- Arne Sunde, Vidar von Düring, Sigrun Kjøtrød, Liv-Bente Romundstad, (2005). The impact of cryopreserved embryos. A prospective randomised study comparing culture media from COOK-IVF and from MediCult.
- Liv-Bente Bergem Romundstad, (2005). Pregnancy complications after assisted fertilisation in Norway 1988-2002.