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Trends in pregnancy and childbirth

Section edited by Christine Roberts

This section considers studies regarding all aspects of patterns in reproduction, including trends in birth weight, twinning, stillbirth, congenital anomalies, parenting age, and all other aspects of trends in pregnancy and childbirth.

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  1. Content type: Study protocol

    Fetoscopic LASER coagulation of the placental anastomoses has changed the prognosis of twin-twin transfusion syndrome. However, the prematurity rate in this cohort remains very high. To date, strategies propos...

    Authors: Carlota Rodó, Sílvia Arévalo, Liesbeth Lewi, Isabel Couck, Bettina Hollwitz, Kurt Hecher and Elena Carreras

    Citation: BMC Pregnancy and Childbirth 2017 17:256

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  2. Content type: Research article

    Elective abortions show a secular decline in high income countries. That general pattern, however, may mask meaningful differences—and a potentially rising trend—among age, income, and other racial/ethnic grou...

    Authors: Tim A. Bruckner, Laust H. Mortensen and Ralph A. Catalano

    Citation: BMC Pregnancy and Childbirth 2017 17:214

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  3. Content type: Research article

    Inconsistent evidence of a higher risk of adverse perinatal outcomes during off-hours compared to office hours necessitated a search for clear evidence of an association between time of birth and adverse perin...

    Authors: Andrew Mgaya, Januarius Hinju and Hussein Kidanto

    Citation: BMC Pregnancy and Childbirth 2017 17:184

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  4. Content type: Research article

    Antenatal care models vary widely around the world, reflecting local contexts, drivers and resources. Randomised controlled trials (RCTs) have tested the impact of multi-component antenatal care interventions ...

    Authors: Andrew Symon, Jan Pringle, Soo Downe, Vanora Hundley, Elaine Lee, Fiona Lynn, Alison McFadden, Jenny McNeill, Mary J Renfrew, Mary Ross-Davie, Edwin van Teijlingen, Heather Whitford and Fiona Alderdice

    Citation: BMC Pregnancy and Childbirth 2017 17:8

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  5. Content type: Research article

    To evaluate the impact of the introduction of prenatal screening on time of detection and pregnancy outcome for trisomy 21 (T21), trisomy 18 (T18) and trisomy 13 (T13).

    Authors: Katelijne Bouman, Marian K. Bakker, Erwin Birnie, Lies ter Beek, Caterina M. Bilardo, Irene M. van Langen and Hermien E. K. de Walle

    Citation: BMC Pregnancy and Childbirth 2017 17:4

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  6. Content type: Research article

    The Lao People’s Democratic Republic (Lao PDR) is a lower-middle income country making steady progress improving maternal and child health outcomes. We sought to ascertain if there have been improvements in th...

    Authors: Sonja J. Olsen, Phommady Vetsaphong, Phouvanh Vonglokham, Sara Mirza, Viengphone Khanthamaly, Touy Chanthalangsy, Seth Chittanavanh, Bounkong Syhavong, Ann Moen, Joseph Bresee, Andrew Corwin and Anonh Xeuatvongsa

    Citation: BMC Pregnancy and Childbirth 2016 16:379

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  7. Content type: Research article

    Rates of maternal mortality and morbidity vary markedly, both between and within countries. Documenting these variations, in a very unequal society like South Africa, provides useful information to direct init...

    Authors: Njeri Wabiri, Matthew Chersich, Olive Shisana, Duane Blaauw, Helen Rees and Ntabozuko Dwane

    Citation: BMC Pregnancy and Childbirth 2016 16:256

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  8. Content type: Research article

    Calgary, Alberta has the fourth highest immigrant population in Canada and ethnic minorities comprise 28 % of its total population. Previous studies have found correlations between minority status and poor pre...

    Authors: Alexandra M. Robinson, Karen M. Benzies, Sharon L. Cairns, Tak Fung and Suzanne C. Tough

    Citation: BMC Pregnancy and Childbirth 2016 16:215

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  9. Content type: Research article

    Leptin and insulin levels are key factors regulating fetal and neonatal energy homeostasis, development and growth. Both biomarkers are used as predictors of weight gain and obesity during infancy. There are c...

    Authors: José Guzmán-Bárcenas, José Alfredo Hernández, Joel Arias-Martínez, Héctor Baptista-González, Guillermo Ceballos-Reyes and Claudine Irles

    Citation: BMC Pregnancy and Childbirth 2016 16:179

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  10. Content type: Research article

    The causes of maternal death are now classified internationally according to ICD-MM. One significant change with the introduction of ICD-MM in 2012 was the reclassification of maternal suicide from the indirec...

    Authors: Marian Knight, Manisha Nair, Peter Brocklehurst, Sara Kenyon, James Neilson, Judy Shakespeare, Derek Tuffnell and Jennifer J. Kurinczuk

    Citation: BMC Pregnancy and Childbirth 2016 16:178

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  11. Content type: Research article

    Induction of labour (IOL) has become more common among many populations, but the trends and drivers of IOL in the Northern Territory (NT) of Australia are not known. This study investigated trends in IOL and a...

    Authors: Pasqualina Coffey, John Condon, Karen Dempsey, Steven Guthridge and Fintan Thompson

    Citation: BMC Pregnancy and Childbirth 2016 16:126

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  12. Content type: Research article

    Risk factors for teenage pregnancy are linked to many factors, including a family history of teenage pregnancy. This research examines whether a mother’s teenage childbearing or an older sister’s teenage pregn...

    Authors: Elizabeth Wall-Wieler, Leslie L. Roos and Nathan C. Nickel

    Citation: BMC Pregnancy and Childbirth 2016 16:120

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  13. Content type: Research article

    The stillbirth rate in most high income countries reduced in the early part of the 20th century but has apparently been static over the past 2½ decades. However, there has not been any account taken of pregnancy ...

    Authors: Brad M. Farrant, Fiona J. Stanley, Pia Hardelid and Carrington C.J. Shepherd

    Citation: BMC Pregnancy and Childbirth 2016 16:112

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  14. Content type: Research article

    Collection and storage of an infant’s cord blood at birth is an option available to many new parents. Antenatal health care providers have an important role in providing non-biased and evidence based informati...

    Authors: Lisa Peberdy, Jeanine Young and Lauren Kearney

    Citation: BMC Pregnancy and Childbirth 2016 16:81

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  15. Content type: Research article

    Birth defects are a leading cause of neonatal and infant mortality, and several studies have indicated an increase in the prevalence of birth defects; more recent investigations have suggested that the trends ...

    Authors: Dirga Kumar Lamichhane, Jong-Han Leem, Myungsook Park, Jung Ae Kim, Hwan Cheol Kim, Jin Hee Kim and Yun-Chul Hong

    Citation: BMC Pregnancy and Childbirth 2016 16:61

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  16. Content type: Research article

    We assessed whether the reported decrease in fertility rates among 15 to 19 years old Brazilian adolescents has met with a parallel decrease in very young adolescent (10 to 14 years old) fertility rates. So we...

    Authors: Ana Luiza Vilela Borges, Christiane Borges do Nascimento Chofakian, Ana Paula Sayuri Sato, Elizabeth Fujimori, Luciane Simões Duarte and Murilo Novaes Gomes

    Citation: BMC Pregnancy and Childbirth 2016 16:57

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    The Erratum to this article has been published in BMC Pregnancy and Childbirth 2016 16:204

  17. Content type: Research article

    Seasonal variations greatly influence birth patterns differently from country to country. In Ghana, there is paucity of information on birth seasonal patterns. This retrospective study described the trends and...

    Authors: Eric Osei, Isaac Agbemefle, Gideon Kye-Duodu and Fred Newton Binka

    Citation: BMC Pregnancy and Childbirth 2016 16:48

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  18. Content type: Research article

    Little is known about secular trends and seasonal variation in the birth prevalence of omphalocele in China. This study aimed to explore the long-term trends and seasonality of this birth defect, to provide in...

    Authors: Xiaohong Li, Li Dai, Yanping Wang, Lin Yi, Changfei Deng, Kui Deng, Guangxuan Zhou, Qi Li, Zheng Liu, Ying Deng, Jun Zhu and Xiaosong Li

    Citation: BMC Pregnancy and Childbirth 2015 15:102

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  19. Content type: Research article

    Overweight and obesity are a public health problem with a multifactorial aetiology. The objective of this study was to evaluate risk factors for overweight and obesity in children at 6 years of age, including ...

    Authors: Daniel S Portela, Tatiana O Vieira, Sheila MA Matos, Nelson F de Oliveira and Graciete O Vieira

    Citation: BMC Pregnancy and Childbirth 2015 15:94

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