Country of first birth and neonatal outcomes in migrant and Norwegian-born parous women in Norway: a population-based study

Abstract Background: This study compares subsequent birth outcomes in migrant women who had already had a child before arriving in Norway with those in migrant women whose first birth occurred in Norway. The aim of this study was to investigate the associations between country of first birth and adverse neonatal outcomes (very preterm birth, moderately preterm birth, post-term birth, small for gestational age, large for gestational age, low Apgar score, stillbirth and neonatal death) in parous migrant and Norwegian-born women. Methods: National population-based study including second and subsequent singleton births in Norway from 1990-2016. Data were retrieved from the Medical Birth Registry of Norway and Statistics Norway. Neonatal outcomes were compared between births to: 1) migrant women with a first birth before immigration to Norway (n=30,062) versus those with a first birth after immigration (n=66,006), and 2) Norwegian-born women with a first birth outside Norway (n=6,205) versus those with a first birth in Norway (n=514,799). Associations were estimated as crude and adjusted odds ratios (aORs) with 95% confidence intervals (CIs) using multiple logistic regression. Results: Migrant women with a first birth before immigrating to Norway had increased odds of adverse outcomes in subsequent births relative to those with a first birth after immigration: very preterm birth (22-31 gestational weeks (gwks); aOR=1.27; CI 1.09-1.48), moderately preterm birth (32-36 gwks; aOR=1.10; CI 1.02-1.18), post-term birth (≥42 gwks; aOR=1.19; CI 1.11-1.27), low Apgar score (<7 at 5 minutes; aOR=1.27; CI 1.16-1.39) and stillbirth (aOR=1.29; CI 1.05-1.58). Similar results were found in the sample of births to Norwegian-born women. Conclusions: The increased odds of adverse neonatal outcomes for migrant and Norwegian-born women who had their first births outside Norway should serve as a reminder of the importance of taking a careful obstetric history in these parous women to ensure appropriate care for their subsequent pregnancies and births in Norway. Keywords: immigration, parous women, neonatal outcomes, obstetric history, predictor

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Country of first birth and neonatal outcomes in migrant and Norwegian-born parous women in Norway: a population-based study

10.21203/rs.2.19047/v2 ◽

2020 ◽

Author(s):

Eline Skirnisdottir Vik ◽

Roy Miodini Nilsen ◽

Vigdis Aasheim ◽

Rhonda Small ◽

Dag Moster ◽

...

Keyword(s):

Preterm Birth ◽

Population Based ◽

Neonatal Outcomes ◽

Migrant Women ◽

First Birth ◽

Population Based Study ◽

Very Preterm ◽

Very Preterm Birth ◽

Adverse Neonatal Outcomes ◽

Moderately Preterm

Abstract Background: This study compares subsequent birth outcomes in migrant women who had already had a child before arriving in Norway with those in migrant women whose first birth occurred in Norway. The aim of this study was to investigate the associations between country of first birth and adverse neonatal outcomes (very preterm birth, moderately preterm birth, post-term birth, small for gestational age, large for gestational age, low Apgar score, stillbirth and neonatal death) in parous migrant and Norwegian-born women.Methods: National population-based study including second and subsequent singleton births in Norway from 1990-2016. Data were retrieved from the Medical Birth Registry of Norway and Statistics Norway. Neonatal outcomes were compared between births to: 1) migrant women with a first birth before immigration to Norway (n=30,062) versus those with a first birth after immigration (n=66,006), and 2) Norwegian-born women with a first birth outside Norway (n=6,205) versus those with a first birth in Norway (n=514,799). Associations were estimated as crude and adjusted odds ratios (aORs) with 95% confidence intervals (CIs) using multiple logistic regression. Results: Migrant women with a first birth before immigrating to Norway had increased odds of adverse outcomes in subsequent births relative to those with a first birth after immigration: very preterm birth (22-31 gestational weeks; aOR=1.27; CI 1.09-1.48), moderately preterm birth (32-36 gestational weeks; aOR=1.10; CI 1.02-1.18), post-term birth (≥42 gestational weeks; aOR=1.19; CI 1.11-1.27), low Apgar score (<7 at 5 minutes; aOR=1.27; CI 1.16-1.39) and stillbirth (aOR=1.29; CI 1.05-1.58). Similar results were found in the sample of births to Norwegian-born women.Conclusions: The increased odds of adverse neonatal outcomes for migrant and Norwegian-born women who had their first births outside Norway should serve as a reminder of the importance of taking a careful obstetric history in these parous women to ensure appropriate care for their subsequent pregnancies and births in Norway.

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Cholestasis after very preterm birth was associated with adverse neonatal outcomes but no significant long‐term liver disease: A population‐based study

Acta Paediatrica ◽

10.1111/apa.15408 ◽

2020 ◽

Vol 110 (1) ◽

pp. 141-148

Author(s):

Jonas Teng ◽

Kajsa Bohlin ◽

Antal Nemeth ◽

Björn Fischler

Keyword(s):

Liver Disease ◽

Preterm Birth ◽

Population Based ◽

Neonatal Outcomes ◽

Population Based Study ◽

Very Preterm ◽

Very Preterm Birth ◽

Adverse Neonatal Outcomes

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Early prediction of spontaneous twin very preterm birth: a population based study 2002–2012

The Journal of Maternal-Fetal & Neonatal Medicine ◽

10.3109/14767058.2014.968774 ◽

2014 ◽

Vol 28 (15) ◽

pp. 1784-1789 ◽

Cited By ~ 5

Author(s):

Tanja Premru-Srsen ◽

Ivan Verdenik ◽

Lili Steblovnik ◽

Helena Ban-Frangez

Keyword(s):

Preterm Birth ◽

Population Based ◽

Early Prediction ◽

Population Based Study ◽

Very Preterm ◽

Very Preterm Birth

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The contribution of twins conceived by assisted reproduction technology to the very preterm birth rate: a population-based study

European Journal of Obstetrics & Gynecology and Reproductive Biology ◽

10.1016/j.ejogrb.2013.09.040 ◽

2013 ◽

Vol 171 (2) ◽

pp. 311-313 ◽

Cited By ~ 8

Author(s):

Natasa Tul ◽

Miha Lucovnik ◽

Ivan Verdenik ◽

Mirjam Druskovic ◽

Ziva Novak ◽

...

Keyword(s):

Preterm Birth ◽

Assisted Reproduction ◽

Birth Rate ◽

Population Based ◽

Population Based Study ◽

Very Preterm ◽

Assisted Reproduction Technology ◽

Very Preterm Birth ◽

Preterm Birth Rate

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Maternal pregestational glucose level and adverse neonatal outcomes: a population-based retrospective cohort study

10.21203/rs.3.rs-61699/v1 ◽

2020 ◽

Author(s):

Mengyao Zeng ◽

Yang He ◽

Min Li ◽

Liu Yang ◽

Qianxi Zhu ◽

...

Keyword(s):

Preterm Birth ◽

Glucose Level ◽

Retrospective Cohort ◽

Fasting Glucose ◽

Neonatal Outcomes ◽

Very Preterm ◽

Very Preterm Birth ◽

Increased Risk ◽

Adverse Neonatal Outcomes ◽

One Year

Abstract Background: Women with diabetes or hyperglycemia during the pregnancy have been proved to be at increased risk for adverse outcomes such as primary cesarean section rate and macrosomia. However, a lack of studies have focused on the maternal glucose level prior to the pregnancy and the effect of maternal pregestational hyperglycemia or hypoglycemia on pregnancy outcomes is unclear. Hence, we conducted this study to investigate the association between maternal pregestational fasting blood glucose level and adverse neonatal outcomes.Methods: A retrospective cohort study was conducted in the Chongqing Municipality of China between April 2010 and December 2016. A total of 54365 women with their live birth singletons from all 39 counties of Chongqing who participated in the National Free Preconception Health Examination Project were included. They all took a once fasting glucose testing within one year prior to pregnancy and without a definite diagnosis of diabetes at that point. Our primary outcomes were preterm birth, very preterm birth, macrosomia, large for gestational age (LGA), low birth weight (LBW) and small for gestational age (SGA). Results: Of the 54365 women, 2813 (5.17%) were hypoglycemia, 48400 (89.03%) were normoglycemia, 2582 (4.75%) had impaired fasting glucose (IFG) and 570 (1.05%) were diabetic hyperglycemia. Compared to the normoglycemia group, women with pregestational glucose at the diabetic level had a higher rate of macrosomia (4.16% vs. 6.18%), while impaired fasting glucose group seemed to be associated with decreased risks for preterm birth (7.38% vs. 5.78%), very preterm birth (1.25% vs. 0.74%), LBW (1.18% vs. 0.59%) and SGA (5.92% vs. 4.29%), p<.05 for all. No significant difference was found between hypoglycemia and normoglycemia in the neonatal outcomes. After adjusting for potential confounders, pregestational diabetic hyperglycemia was remained significantly associated with an increased risk for macrosomia (aRR, 1.49; 95%CI, 1.07-2.09). Conclusion: Though without an overt diabetes mellitus, women with once diabetic fasting glucose level during their preconception examinations were still associated with an increased risk for macrosomia. Once fasting glucose within one year before pregnancy might also be considered as an early sign to help the obstetricians to prejudge and control the risk of macrosomia in advance.

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