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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. Repeat caesarean sections (CSs) are major contributors to the high rate of CS in Canada and globally. Women’s decisions to have a planned repeat CS (PRCS) or a trial of labour after CS (TOLAC) are influenced b...

    Authors: Christine Kurtz Landy, Wendy Sword, Jackie Cramp Kathnelson, Sarah McDonald, Anne Biringer, Maureen Heaman and Pam Angle

    Citation: BMC Pregnancy and Childbirth 2020 20:367

    Content type: Research article

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  2. Globally, between 2012 and 2017, 80% of live births occurred at health facilities assisted by skilled health personnel. In Ethiopia, in 2016 only 26% of live births attended by skilled health personal. This st...

    Authors: Zemenu Tadesse Tessema and Sofonyas Abebaw Tiruneh

    Citation: BMC Pregnancy and Childbirth 2020 20:342

    Content type: Research article

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  3. The effects of endometrial scratching (ES) on embryo implantation have been studied for many years. Several studies have shown better outcomes when performed on patients undergoing intrauterine insemination an...

    Authors: Alexandra Izquierdo, Laura de la Fuente, Katharina Spies, Jennifer Rayward, Lourdes López, David Lora and Alberto Galindo

    Citation: BMC Pregnancy and Childbirth 2020 20:333

    Content type: Study protocol

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  4. Asymptomatic bacteriuria (ASB) and sterile pyuria (SP) are complexities of UTI whose prevalence are not known in the northern sector of Ghana. Our aim was to determine the occurrence of sterile pyuria and asym...

    Authors: Akosua Bonsu Karikari, Courage Kosi Setsoafia Saba and David Yembilla Yamik

    Citation: BMC Pregnancy and Childbirth 2020 20:239

    Content type: Research article

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  5. Twin pregnancy is associated with increased perinatal mortality. Close foetal monitoring is therefore warranted. Doppler Ultrasound cardiotocography is currently the only available method to monitor both indiv...

    Authors: Lore Noben, Michelle E. M. H. Westerhuis, Judith O. E. H. van Laar, René D. Kok, S. Guid Oei, Chris H. L. Peters and Rik Vullings

    Citation: BMC Pregnancy and Childbirth 2020 20:215

    Content type: Technical advance

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  6. The use of herbal medicine among pregnant women is increasing in many low- and high-income countries due to their cost-effectiveness in treatment and ease of access. Research findings across Ethiopia on the pr...

    Authors: Fentahun Adane, Girma Seyoum, Yoseph Merkeb Alamneh, Worku Abie, Melaku Desta and Bihonegn Sisay

    Citation: BMC Pregnancy and Childbirth 2020 20:157

    Content type: Research article

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  7. It currently remains unknown whether the resection of cervical polyps during pregnancy leads to miscarriage and/or preterm birth. This study evaluated the risk of spontaneous PTB below 34 or 37 weeks and misca...

    Authors: Kaori Fukuta, Satoshi Yoneda, Noriko Yoneda, Arihiro Shiozaki, Akitoshi Nakashima, Takashi Minamisaka, Johji Imura and Shigeru Saito

    Citation: BMC Pregnancy and Childbirth 2020 20:27

    Content type: Research article

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  8. To establish the changes in perinatal morbidity and mortality in twin pregnancies in Finland, a retrospective register research was conducted. Our extensive data from a 28-year study period provide important i...

    Authors: Annu-Riikka Susanna Rissanen, Riina Maria Jernman, Mika Gissler, Irmeli Katriina Nupponen and Mika Erkki Nuutila

    Citation: BMC Pregnancy and Childbirth 2019 20:2

    Content type: Research article

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  9. Men’s involvement in obstetrics care is an important strategy in reducing preventable maternal morbidity and mortality. This is particularly important in developing countries where men often make decision on f...

    Authors: Addisu Gize, Alemtsehay Eyassu, Balkachew Nigatu, Mekonen Eshete and Nebiyou Wendwessen

    Citation: BMC Pregnancy and Childbirth 2019 19:515

    Content type: Research article

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  10. The use of tobacco products including Swedish snus (moist snuff) in pregnancy may cause adverse health outcomes. While smoking prevalence has decreased among fertile women in Norway, snus use has increased dur...

    Authors: Ellen Rygh, Frode Gallefoss and Liv Grøtvedt

    Citation: BMC Pregnancy and Childbirth 2019 19:500

    Content type: Research article

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  11. Genomics-based noninvasive prenatal tests (NIPT) allow screening for chromosomal anomalies such as Down syndrome (trisomy 21). The technique uses cell-free fetal DNA (cffDNA) that circulates in the maternal bl...

    Authors: Valérie Labonté, Dima Alsaid, Britta Lang and Joerg J. Meerpohl

    Citation: BMC Pregnancy and Childbirth 2019 19:385

    Content type: Research article

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  12. In neonatal care, assessment of the temperature of the neonate is essential to confirm on-going health, and as an early signal of potential pathology. However, some methods of temperature assessment involve di...

    Authors: Anastasia Topalidou, Nazmin Ali, Slobodan Sekulic and Soo Downe

    Citation: BMC Pregnancy and Childbirth 2019 19:381

    Content type: Research article

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  13. Health related quality of life is a critical concept during the perinatal period but remains under-researched. The International Consortium for Health Outcomes Measurement have included the Patient Reported Ou...

    Authors: Valerie Slavin, Jenny Gamble, Debra K. Creedy, Jennifer Fenwick and Julie Pallant

    Citation: BMC Pregnancy and Childbirth 2019 19:370

    Content type: Research article

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  14. The physiological fall in haemoglobin concentration from the 1st to the 3rd trimester of pregnancy is often quoted as 5 g/L. However, other studies have suggested varying levels of fall between 8 and 13 g/L. W...

    Authors: David Churchill, Manisha Nair, Simon J. Stanworth and Marian Knight

    Citation: BMC Pregnancy and Childbirth 2019 19:359

    Content type: Research article

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  15. It is well recognized that prevalence of gestational diabetes mellitus (GDM) varies depending on the population studied and the diagnostic criteria used. The data source used also can lead to substantial diffe...

    Authors: Robyn L. Lawrence, Clare R. Wall and Frank H. Bloomfield

    Citation: BMC Pregnancy and Childbirth 2019 19:349

    Content type: Research article

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  16. To investigate the trends and changes in the incidence and overall outcome of twin pregnancies in Finland, a retrospective study was conducted with emphasis on maternal complications, covering a 28-year study ...

    Authors: Annu-Riikka S. Rissanen, Riina M. Jernman, Mika Gissler, Irmeli Nupponen and Mika E. Nuutila

    Citation: BMC Pregnancy and Childbirth 2019 19:337

    Content type: Research article

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  17. Implementation of high-quality national audits for perinatal mortality are needed to improve the registration of all perinatal deaths and the identification of the causes of death. This study aims to evaluate ...

    Authors: Gaia Po’, Francesca Monari, Filippo Zanni, Giovanni Grandi, Camilla Lupi and Fabio Facchinetti

    Citation: BMC Pregnancy and Childbirth 2019 19:276

    Content type: Research article

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  18. There is global concern for the overuse of obstetric interventions during labour and birth. Of particular concern is the increasing amount of mothers and babies experiencing morbidity and mortality associated ...

    Authors: Haylee Fox, Emily Callander, Daniel Lindsay and Stephanie Topp

    Citation: BMC Pregnancy and Childbirth 2019 19:226

    Content type: Research article

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  19. The objective of this survey was to explore the association between pregnancy complications and perinatal outcome from regionally total birth population.

    Authors: Xiaoqin Zhu, Huiyuan Niu, Hui Wang, Xiaoqiong Li, Tingting Qi, Weijie Ding, Liangrong Han, Muling Zhang, Honghua Guan, Shouzhong Li, Chunhong Tang, Yaodong Yin, Xihui Cao, Hong Liu, Cui Gao, Hongni Yue…

    Citation: BMC Pregnancy and Childbirth 2019 19:224

    Content type: Research article

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  20. Small for gestational age (SGA) is frequently used to define fetal growth restriction (FGR). However, FGR describes a slowdown in fetal growth and is not synonymous with SGA, which may introduce misclassificat...

    Authors: Zoe A. Broere-Brown, Sarah Schalekamp-Timmermans, Vincent W. V. Jaddoe and Eric A. P. Steegers

    Citation: BMC Pregnancy and Childbirth 2019 19:216

    Content type: Research article

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  21. Diabetes during pregnancy is an increasingly common metabolic disorder, associated with significantly increased risks for both mother and child. Aim of this study was to compare maternal and perinatal outcomes...

    Authors: Anna Stogianni, Lena Lendahls, Mona Landin-Olsson and Maria Thunander

    Citation: BMC Pregnancy and Childbirth 2019 19:159

    Content type: Research article

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  22. Benshangul Gumuze region is one of the regional states in Ethiopia, with highest rate of neonatal mortality rate. The trend increased at alarming rate from 42/1000 live birth in 2005 to 62/ 1000 live birth in ...

    Authors: Fillmon Kidus, Kifle Woldemichael and Desta Hiko

    Citation: BMC Pregnancy and Childbirth 2019 19:108

    Content type: Research article

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  23. Severe maternal morbidity – life-threatening childbirth complications – has more than doubled in the United States over the past 15 years, affecting more than 50,000 women (1.4% of deliveries) annually. During...

    Authors: Stephanie A. Leonard, Elliott K. Main and Suzan L. Carmichael

    Citation: BMC Pregnancy and Childbirth 2019 19:16

    Content type: Research article

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  24. Uterine fibroids are the most common uterine tumours in females of reproductive age. During pregnancy, uterine fibroids may be complicated by aseptic necrobiosis. We herein report an ambiguous clinical present...

    Authors: Julius Sama Dohbit, Esther Ngo Um Meka, Joel Noutakdie Tochie, Igor Kamla, Celestin Danwang, Frank-Leonel Tianyi, Pascal Foumane and Gervais Ondobo Andze

    Citation: BMC Pregnancy and Childbirth 2019 19:9

    Content type: Case report

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  25. Armenia has an upward trend in cesarean sections (CS); the CS rate increased from 7.2% in 2000 to 31.0% in 2017. The purpose of this study was to investigate potential factors contributing to the rapidly incre...

    Authors: Meri Tadevosyan, Anna Ghazaryan, Arusyak Harutyunyan, Varduhi Petrosyan, Adam Atherly and Kim Hekimian

    Citation: BMC Pregnancy and Childbirth 2019 19:2

    Content type: Research article

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  26. A Finnish joint research effort Kuopio Birth Cohort (KuBiCo) seeks to evaluate the effects of genetics, epigenetics and different risk factors (medication, nutrition, lifestyle factors and environmental aspect...

    Authors: Pasi Huuskonen, Leea Keski-Nisula, Seppo Heinonen, Sari Voutilainen, Tomi-Pekka Tuomainen, Juha Pekkanen, Jussi Lampi, Soili M Lehto, Hannariikka Haaparanta, Antti-Pekka Elomaa, Raimo Voutilainen, Katri Backman, Hannu Kokki, Kirsti Kumpulainen, Jussi Paananen, Kirsi Vähäkangas…

    Citation: BMC Pregnancy and Childbirth 2018 18:381

    Content type: Study protocol

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  27. Progesterone is a critical hormone in early pregnancy. A low level of serum progesterone is associated with threatened miscarriage. We aim to establish the distribution of maternal serum progesterone in normal...

    Authors: Chee Wai Ku, John C. Allen Jr, Sze Min Lek, Ming Li Chia, Nguan Soon Tan and Thiam Chye Tan

    Citation: BMC Pregnancy and Childbirth 2018 18:360

    Content type: Research article

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  28. Since reproductive health is often considered a highly sensitive topic, underreporting in surveys and under coverage of register data occurs frequently. This may lead to inaccurate information about the reprod...

    Authors: Satu Jokela, Eero Lilja, Tarja I. Kinnunen, Mika Gissler, Anu E. Castaneda and Päivikki Koponen

    Citation: BMC Pregnancy and Childbirth 2018 18:296

    Content type: Research article

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  29. Preterm labour and birth (PTL/PTB) is characterised by major health and developmental risks for children, life–changing consequences for their families, and substantial healthcare and economic challenges for w...

    Authors: Shibani Pokras, Jeanne Pimenta, Evie Merinopoulou and Dimitra Lambrelli

    Citation: BMC Pregnancy and Childbirth 2018 18:284

    Content type: Research article

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  30. In response to rising rates of medical intervention in birth, there has been increased international interest in promoting normal birth (without induction of labour, epidural/spinal/general anaesthesia, episio...

    Authors: Samantha J. Prosser, Adrian G. Barnett and Yvette D. Miller

    Citation: BMC Pregnancy and Childbirth 2018 18:241

    Content type: Research article

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  31. In 2009, the Institute of Medicine (IOM) published guidance on gestational weight gain (GWG) modified by maternal pre-pregnancy body mass index (BMI). Estimates indicate that less than half of US pregnant wome...

    Authors: Michael L. Power, Melisa L. Lott, A. Dhanya Mackeen, Jessica DiBari and Jay Schulkin

    Citation: BMC Pregnancy and Childbirth 2018 18:239

    Content type: Research article

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  32. Many women are not prepared for changes to their sexual health after childbirth. The aim of this paper is to report on the prevalence of and the potential risk factors (pre-pregnancy dyspareunia, mode of birth...

    Authors: Deirdre O’Malley, Agnes Higgins, Cecily Begley, Deirdre Daly and Valerie Smith

    Citation: BMC Pregnancy and Childbirth 2018 18:196

    Content type: Research article

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  33. In recent years, determination of personalized risk for fetal chromosomal anomalies emerged as an important component of prenatal genetic counseling. Women in whom fetal risk for chromosomal aberrations is ele...

    Authors: Pawel Sadlecki, Marek Grabiec, Pawel Walentowicz and Malgorzata Walentowicz-Sadlecka

    Citation: BMC Pregnancy and Childbirth 2018 18:174

    Content type: Research article

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  34. Limited evidences were reported about the risk of pre-pregnancy hair dye use or irregular menstruation with abnormal birth weight during pregnancy, and their joint effects were also unknown. The aim of our stu...

    Authors: Chao Jiang, Qingzhi Hou, Yaling Huang, Juan Ye, Xiaolian Qin, Yu Zhang, Wen Meng, Qiuyan Wang, Yonghua Jiang, Haiying Zhang, Mujun Li, Zengnan Mo and Xiaobo Yang

    Citation: BMC Pregnancy and Childbirth 2018 18:144

    Content type: Research article

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  35. To evaluate possible predictive factors of spontaneous prematurity in fetuses with congenital diaphragmatic hernia (CDH).

    Authors: Bruna Maria Lopes Barbosa, Agatha S. Rodrigues, Mario Henrique Burlacchini Carvalho, Roberto Eduardo Bittar, Rossana Pulcineli Vieira Francisco and Lisandra Stein Bernardes

    Citation: BMC Pregnancy and Childbirth 2018 18:27

    Content type: Research article

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  36. Late preterm (LPT) newborns, defined as those born between 34 0/7 and 36 6/7 gestational weeks, have higher short- and long-term morbidity and mortality than term infants (≥37 weeks). A categorization to justi...

    Authors: Noémie Bouchet, Angèle Gayet-Ageron, Marina Lumbreras Areta, Riccardo Erennio Pfister and Begoña Martinez de Tejada

    Citation: BMC Pregnancy and Childbirth 2018 18:17

    Content type: Research article

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  37. Over the previous two decades the incidence and number of unplanned out of hospital births Victoria has increased. As the only out of hospital emergency care providers in Victoria, paramedics would provide car...

    Authors: Gayle McLelland, Lisa McKenna, Amee Morgans and Karen Smith

    Citation: BMC Pregnancy and Childbirth 2018 18:15

    Content type: Research article

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  38. Infant mortality rates are commonly used to compare the health of populations. Observed differences are often attributed to variation in child health care quality. However, any differences are at least partly ...

    Authors: Ania Zylbersztejn, Ruth Gilbert, Anders Hjern and Pia Hardelid

    Citation: BMC Pregnancy and Childbirth 2017 17:430

    Content type: Research article

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  39. The aim of the present study was to establish the normal ranges for foetal nasal bone length (NBL), prenasal skin thickness (PNT), interocular distance (IOD), and ratio of prenasal thickness to- nasal bone len...

    Authors: Ayşegül Altunkeser and M. Kazım Körez

    Citation: BMC Pregnancy and Childbirth 2017 17:416

    Content type: Research article

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  40. Little is known about the epidemiology of congenital hydrocephalus (CH) in China. This study aimed to depict recent changes in CH prevalence and perinatal outcomes of the affected newborns.

    Authors: Ling Yi, Chaomin Wan, Changfei Deng, Xiaohong Li, Kui Deng, Yi Mu, Jun Zhu, Qi Li, Yanping Wang and Li Dai

    Citation: BMC Pregnancy and Childbirth 2017 17:406

    Content type: Research article

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  41. Fetal heart rate abnormalities (FHR) during and after external cephalic version (ECV) are relatively frequent. They may raise concern about fetal wellbeing. Only occasionally they may lead to an emergency cesa...

    Authors: Simone M. Kuppens, Ida Smailbegovic, Saskia Houterman, Ingrid de Leeuw and Tom H. Hasaart

    Citation: BMC Pregnancy and Childbirth 2017 17:363

    Content type: Research article

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  42. In contrast to other countries, Austria rarely offers alternative models to medical led-care. In an attempt to improve the facilities, a midwife-led care service was incorporated within the Department of Obste...

    Authors: Barbara Bodner-Adler, Oliver Kimberger, Julia Griebaum, Peter Husslein and Klaus Bodner

    Citation: BMC Pregnancy and Childbirth 2017 17:357

    Content type: Research article

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  43. Neural tube defects are among the most common birth defects, contributing to miscarriage, infant mortality, severe congenital abnormalities and serious disabilities. It is burdensome to patients, caregivers, h...

    Authors: Meselech Ambaw Dessie, Ejigu Gebeye Zeleke, Shimelash Bitew Workie and Ayanaw Worku Berihun

    Citation: BMC Pregnancy and Childbirth 2017 17:313

    Content type: Research article

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  44. Magnesium sulphate (MgSO4) is the only treatment approved for fetal neuroprotection. No information on its use is available in the absence of a national registry of neonatal practices. The objective of our study ...

    Authors: Clément Chollat, Lise Le Doussal, Gaëlle de la Villéon, Delphine Provost and Stéphane Marret

    Citation: BMC Pregnancy and Childbirth 2017 17:304

    Content type: Research article

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  45. Maternity waiting homes (MWHs) are accommodations located near a health facility where women can stay towards the end of pregnancy and/or after birth to enable timely access to essential childbirth care or car...

    Authors: Loveday Penn-Kekana, Shreya Pereira, Julia Hussein, Hannah Bontogon, Matthew Chersich, Stephen Munjanja and Anayda Portela

    Citation: BMC Pregnancy and Childbirth 2017 17:269

    Content type: Research article

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  46. Birth centres are described as settings where women with uncomplicated pregnancies can give birth in a home-like environment assisted by midwives and maternity care assistants. If complications arise or threat...

    Authors: Inge C. Boesveld, Marieke A. A. Hermus, Hanneke J. de Graaf, Marit Hitzert, Karin M. van der Pal-de Bruin, Raymond G. de Vries, Arie Franx and Therese A. Wiegers

    Citation: BMC Pregnancy and Childbirth 2017 17:259

    Content type: Research article

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  47. 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

    Content type: Study protocol

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  48. 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

    Content type: Research article

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