Nathalie Roos

Nathalie Roos

Besöksadress: Maria Aspmans gata 30A, 17164 Solna
Postadress: K2 Medicin, Solna, K2 KEP Stephansson, 171 77 Stockholm

Om mig

  • 1997-2003 MD, Uppsala University, Sweden
    2004-2005 Master in public health (safety promotion and
    injury prevention
    2006-2012 Residency OBGYN , Karolinska University Hospital
    Solna, Stockholm, Sweden
    2008-2012 PhD, Department of women’s and children’s
    health, Karolinska Institutet
    2013-2014 World Health Organization, Ouagadougou, Burkina
    2015-2019 World Health Organization, Geneva, Switzerland
    2019 - Researcher, Clinical epidemiology division,
    Karolinska Institutet, Stockholm, Sweden
    I am a clinician with obstetrics and gynecology as my specialty and a special
    interest in perinatal epidemiology. I am also a global maternal and perinatal
    health expert with experience from low- and middle-income countries at both
    field- and global level, working on surveillance systems for maternal and
    perinatal mortality and birth defects and monitoring and evaluation of
    The period of around conception, pregnancy and childbirth is an important
    time window to detect and prevent disease in the mother and the infant.
    Clinical epidemiological research is of special interest as the findings may
    contribute to preventive strategies for healthy pregnancies, mothers and
    infants. I am interested in understanding adverse outcomes in women with
    polycystic ovary syndrome (PCOS), obesity and bariatric surgery and diabetes.


  • Prenatal exposures and birth indices, and subsequent risk of polycystic ovary
    syndrome: a national registry-based cohort study. Valgeirsdottir H, Vanky E,
    Sundstrom-Poromaa I, Roos N, Lovvik TS, Stephansson O, Wikstrom AK: /BJOG
    /2019, 126(2):244-251.
    Maternal Immunization and Antenatal Care Situation Analysis (MIACSA) study
    protocol: a multiregional, cross-sectional analysis of maternal immunization
    delivery strategies to reduce maternal and neonatal morbidity and mortality.
    Roos N, Lambach P, Mantel C MIACSA expert advisory panel group/, et al./ /BMJ
    Open /2019
  • 9:e024449. doi: 10.1136/bmjopen-2018-024449
    Implementing the WHO Safe Childbirth Checklist: lessons from a global
    collaboration. WRG Perry, S Bagheri Nejad, K Tuomisto, N Kara, N Roos, TR
    Dilip, LR Hirschhorn, I Larizgoitia, K Semrau, M Mathai, N Dhingra-Kumar.
    /BMJ Glob Health/ 2017
  • 2:e000241. doi:10.1136/bmjgh-2016-000241
    Why do maternal and newborn deaths continue to occur? N Roos and S Ritter von
    Xylander. /Best Practice &
  • Research Clinical Obstetrics &
  • Gynaecology/
    Pregnancy and perinatal outcomes in women with polycystic ovary syndrome and
    twin births: a population-based cohort study. T Shetelig-Løvvik, N Roos, AK
    Wikström, M Neovius, O Stephansson, E Vanky. /BJOG /2015 Mar 11.
    Outcomes of Pregnancy in Women with Prior Bariatric Surgery. K Johansson, S
    Cnattingius, INäslund, N Roos, Y Trolle-Lagerros, F Granath, O Stephansson,
    M Neovius, /New England Journal of Medicine, /2015 Feb 26
  • 372(9):814-24.
    Perinatal outcomes after bariatric surgery: nationwide population based
    matched cohort study. Roos N [1], Neovius M [2], Cnattingius S [3], Trolle
    Lagerros Y [4], Sääf M [5], Granath F [6], Stephansson O [7]. /BMJ. [8]
    2013 Nov 12
  • 347:f6460./
    Risk of adverse pregnancy outcomes in women with polycystic ovary syndrome:
    populations-based cohort study. Roos N, Kieler H, Sahlin L, Ekman-Ordeberg G,
    Falconer H, Stephansson O. /BMJ. [9] 2011 Oct 13
  • 343:d6309./
    Maternal risk factors for postterm pregnancy and cesarean delivery following
    labor induction. Roos N, Sahlin L, Ekman-Ordeberg G, Kieler H, Stephansson O.
    /Acta Obstet Gynecol Scand. 2010 Aug
  • 89(8):1003-10./
    Ultrasound Pregnancy Dating Leads to Biased Perinatal Morbidity and Neonatal
    Mortality Among Post-term-born Girls. Skalkidou A, Kieler H, Stephansson O,
    Roos N, Cnattingius S, Haglund B. /Epidemiology, 2010 Nov
  • 21(6):791-6./
    The Stockholm classification of stillbirth. Varli IH, Petersson K, Bottinga
    R, Bremme K, Hofsjö A, Holm M, Holste C, Kublickas M, Norman M, Pilo C, Roos
    N, Sundberg A, Wolff K, Papadogiannakis N. /Acta Obstet Gynecol Scand.
  • 87(11):1202-12./
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Alla övriga publikationer


  • Projektledare, Medicin, Solna, Karolinska Institutet, 2019-

Examina och utbildning

  • Medicine Doktorsexamen, Institutionen för kvinnors och barns hälsa, Karolinska Institutet, 2012
  • Magisterexamen, Karolinska Institutet, 2005


  • Anna Ivert, Safe delivery - studies on maternal and health care determinants of adverse pregnancy outcome, 2021

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