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  1. Limited evidence exists on the correlation between the pre-pregnancy low-carbohydrate (LC) diet and maternal oral glucose tolerance test (OGTT) levels during pregnancy. Our aim was to compare the differences i...

    Authors: Yanhui Hao, Lei Qu, Yuna Guo, Liying Ma, Muhe Guo, Yiqing Zhu, Yan Jin, Qin Gu, Yue Zhang and Wenguang Sun
    Citation: BMC Pregnancy and Childbirth 2022 22:734
  2. Covid-19 pandemic became an unexpected stressor for the entire population and, particularly, for pregnant women and lactating mothers. The alarming infectious risk together with the lockdown period could affec...

    Authors: Marta Nicolás-López, Pablo González-Álvarez, Anna Sala de la Concepción, Maria Giralt-López, Beatriz Lorente, Inés Velasco, Paula Sol Ventura Wichner and Gemma Ginovart
    Citation: BMC Pregnancy and Childbirth 2022 22:733
  3. To compare the rate of postpartum depression (PPD) during the first COVID-19 lockdown with the rate observed prior to the pandemic, and to examine factors associated with PPD.

    Authors: Sylvie Viaux-Savelon, Paul Maurice, Alexandra Rousseau, Chloe Leclere, Manon Renout, Laura Berlingo, David Cohen and Jean-Marie Jouannic
    Citation: BMC Pregnancy and Childbirth 2022 22:732
  4. Antenatal care is an important tool to prevent complications and decrease the incidence of maternal and antenatal morbidity and mortality. In Brazil, quality, access, and coverage of antenatal care are describ...

    Authors: Márcia Regina Cangiani Fabbro, Monika Wernet, Nayara Girardi Baraldi, Jamile Claro de Castro Bussadori, Natália Rejane Salim, Bernardino Geraldo Alves Souto and Andréa dos Reis Fermiano
    Citation: BMC Pregnancy and Childbirth 2022 22:731
  5. The use of COVID-19 convalescent plasma (CCP) for the treatment of SARS-CoV-2 infection in pregnancy is intriguing in view of its safety profile in pregnancy and historical precedence of the use of plasma for ...

    Authors: Heba Adan, Deemah Harb, Komal Hazari, Widad Abdelkareem, Fareeda Nikhat Khan, Maryam Zouaoui, May Raouf, Doaa Elsawy, Aida Joseph Azar, Amar Hassan Khamis and Abeer Ammar
    Citation: BMC Pregnancy and Childbirth 2022 22:730
  6. Several preconception exposures have been associated with adverse pregnancy, birth and postpartum outcomes. However, few studies have investigated women’s knowledge of and attitudes towards preconception healt...

    Authors: Michael P. Daly, James White, Julia Sanders and Ruth R. Kipping
    Citation: BMC Pregnancy and Childbirth 2022 22:729
  7. Dystocia is a common obstetric complication among nulliparous women, which requires medical intervention and carries the risk of negative maternal and neonatal outcomes. Our aim was to examine the association ...

    Authors: Hyo Kyozuka, Tsuyoshi Hiraiwa, Tsuyoshi Murata, Misa Sugeno, Toki Jin, Fumihito Ito, Daisuke Suzuki, Yasuhisa Nomura, Toma Fukuda, Shun Yasuda and Keiya Fujimori
    Citation: BMC Pregnancy and Childbirth 2022 22:728
  8. Previous studies show an association between maternal plasma and salivary cortisol and preterm birth but have been primarily conducted in high-income countries. It is unknown whether salivary cortisol is a ris...

    Authors: Brietta M. Oaks, Seth Adu-Afarwuah, Per Ashorn, Anna Lartey, Kevin D. Laugero, Harriet Okronipa, Christine P. Stewart and Kathryn G. Dewey
    Citation: BMC Pregnancy and Childbirth 2022 22:727
  9. Assessing the severity of transferred neonates at admission can improve resource allocation. This study evaluated the role of TOPS (illness severity score including temperature, oxygen saturation, skin perfusi...

    Authors: Francesco Cavallin, Annaelena Contin, Natércia Alfeu, Belinda Macmillian, Amir Hussein Abubacar Seni, Bonifacio Rodriguez Cebola, Serena Calgaro, Giovanni Putoto and Daniele Trevisanuto
    Citation: BMC Pregnancy and Childbirth 2022 22:726
  10. Shared implementation challenges at scale in early childhood home visiting have led researchers to explore precision home visiting as a promising service delivery mechanism to better address families’ unique n...

    Authors: Allison Ingalls, Paul Rebman, Lisa Martin, Elizabeth Kushman, Amanda Leonard, Aimee Cisler, Ingrid Gschwind, Amanda Brayak, Ann Marie Amsler and Emily E. Haroz
    Citation: BMC Pregnancy and Childbirth 2022 22:725
  11. Continuity of midwifery-led care during labour and birth is considered optimal. To ensure its sustainability in practice where limited evidence is available, the aim of the present study was to explore midwive...

    Authors: Leila Amiri-Farahani, Maryam Gharacheh, Narges Sadeghzadeh, Hamid Peyravi and Sally Pezaro
    Citation: BMC Pregnancy and Childbirth 2022 22:724
  12. Perinatal depression is broadly defined as depressive symptoms during pregnancy or within the 12 months following delivery, affecting approximately 20–25% of pregnant and postpartum women in low- and middle-in...

    Authors: Alyssa D. Hummel, Keshet Ronen, Amritha Bhat, Brenda Wandika, Esther M. Choo, Lusi Osborn, Maneesh Batra, John Kinuthia, Manasi Kumar and Jennifer A. Unger
    Citation: BMC Pregnancy and Childbirth 2022 22:723
  13. To examine maternal, psychosocial, and pregnancy factors associated with breastfeeding for at least 6 months in those giving birth for the first time.

    Authors: David M. Haas, Ziyi Yang, Corette B. Parker, Judith Chung, Samuel Parry, William A. Grobman, Brian M. Mercer, Hyagriv N. Simhan, Robert M. Silver, Ronald J. Wapner, George R. Saade, Philip Greenland, Noel Bairey Merz, Uma M. Reddy and Victoria L. Pemberton
    Citation: BMC Pregnancy and Childbirth 2022 22:722
  14. Language supported group antenatal care (gANC) for Somali-born women was implemented in a Swedish public ANC clinic. The women were offered seven 60-min sessions, facilitated by midwives and starting with a pr...

    Authors: Malin Ahrne, Ulrika Byrskog, Birgitta Essén, Ewa Andersson, Rhonda Small and Erica Schytt
    Citation: BMC Pregnancy and Childbirth 2022 22:721
  15. Perioperative hypothermia and shivering commonly occur in pregnant women undergoing cesarean section. The warming method is usually used to prevent hypothermia and shivering. However, the effect of active warm...

    Authors: Qing Zhuo, Jia-Bin Xu, Jing Zhang and Bin Ji
    Citation: BMC Pregnancy and Childbirth 2022 22:720
  16. During pregnancy, women`s bodies undergo rapid changes in body weight and body size within a relatively short period of time. Pregnancy may therefore be associated with an increased vulnerability for the devel...

    Authors: Katja Linde, Franziska Lehnig, Michaela Nagl, Holger Stepan and Anette Kersting
    Citation: BMC Pregnancy and Childbirth 2022 22:719
  17. It remains unclear whether polycystic ovary syndrome (PCOS) is an independent risk factor for pregnancy complications in women undergoing assisted reproductive technology (ART) treatment. For the integrative t...

    Authors: Hui-Ying Jie, Xiu Zhou, Ming-Peng Zhao, Min Hu, Qing-Yun Mai and Can-Quan Zhou
    Citation: BMC Pregnancy and Childbirth 2022 22:718
  18. For quality-oriented evaluation of prenatal and obstetric care, it is important to systematically consider the perspective of the women receiving care in order to comprehensively assess and optimize quality in...

    Authors: Anja Alexandra Schulz and Markus Antonius Wirtz
    Citation: BMC Pregnancy and Childbirth 2022 22:717
  19. Medically unjustifiable caesarean section (CS) deliveries have been rising rapidly in many developed countries over the last three decades. While many developing countries show rates beyond optimal levels, few...

    Authors: Manar E. Abdel-Rahman, Lukman Thalib and Duriya A. Rayis
    Citation: BMC Pregnancy and Childbirth 2022 22:716
  20. The association between previous spontaneous abortion and preeclampsia is not yet fully understood. The current study was conducted to assess the association between previous spontaneous abortion and preeclamp...

    Authors: Ahmed Mohamedain, Duria A. Rayis, Nadiah AlHabardi and Ishag Adam
    Citation: BMC Pregnancy and Childbirth 2022 22:715
  21. The hematological impact of umbilical cord milking (UCM) was compared to that of delayed cord clamping (DCC) as a faster placental transfusion technique for preterm neonates (between 24 and 34 + 6 weeks gestat...

    Authors: Hytham Atia, Ahmed Badawie, Osama Elsaid, Mahmoud Kashef, Nourhan Alhaddad and Mohamed Gomaa
    Citation: BMC Pregnancy and Childbirth 2022 22:714
  22. Late access to antenatal care is a contributor to excess mortality and morbidity among ethnic minority mothers compared to White British in the UK. While individual ethnicity and socioeconomic disadvantage are...

    Authors: Shuby Puthussery, Pei-Ching Tseng, Esther Sharma, Angela Harden, Malcolm Griffiths, Jacqueline Bamfo and Leah Li
    Citation: BMC Pregnancy and Childbirth 2022 22:713
  23. Obesity in pregnant women is increasing worldwide, affecting the health of both mother and baby. Obesity may be associated with inadequate health literacy, a central competence when navigating antenatal health...

    Authors: Maiken Meldgaard, Annesofie Lunde Jensen, Amalie Damgaard Johansen, Rikke Damkjær Maimburg and Helle Terkildsen Maindal
    Citation: BMC Pregnancy and Childbirth 2022 22:712
  24. Breastfeeding in the early postpartum period is expected to have mental benefits for mothers; however, the underlying psychobiological mechanisms remain unclear. Previously, we hypothesized that the release of...

    Authors: Miyuki Nagahashi-Araki, Makoto Tasaka, Tsunehiko Takamura, Hiromi Eto, Noriko Sasaki, Wakako Fujita, Asuka Miyazaki, Kanako Morifuji, Naoko Honda, Tunetake Miyamura and Shota Nishitani
    Citation: BMC Pregnancy and Childbirth 2022 22:711
  25. Prenatal prescription of standard iron supplements to prevent iron deficiency appears not to be appropriate for all women and their children, as some women may be at risk of iron deficiency and others at risk ...

    Authors: Lucía Iglesias-Vázquez, Carmen Hernández-Martínez, Núria Voltas, Josefa Canals, Pilar Coronel, Mercedes Gimeno and Victoria Arija
    Citation: BMC Pregnancy and Childbirth 2022 22:710
  26. Globally, the rate of caesarean deliveries increased from approximately 16.0 million in 2000 to 29.7 million in 2015. In this study, we decomposed the rural–urban disparities in caesarean deliveries in sub-Sah...

    Authors: Bright Opoku Ahinkorah, Richard Gyan Aboagye, Abdul-Aziz Seidu, Joshua Okyere, Aliu Mohammed, Vijay Kumar Chattu, Eugene Budu, Faustina Adoboi and Sanni Yaya
    Citation: BMC Pregnancy and Childbirth 2022 22:709
  27. Early and appropriate use of antenatal care services is critical for reducing maternal and neonatal mortality and morbidity. Yet most women in sub-Saharan Africa, including Uganda, do not seek antenatal care u...

    Authors: Alison B. Comfort, Alison M. El Ayadi, Carol S. Camlin, Alexander C. Tsai, Hadija Nalubwama, Josaphat Byamugisha, Dilys M. Walker, James Moody, Tatyana Roberts, Umar Senoga, Paul J. Krezanoski and Cynthia C. Harper
    Citation: BMC Pregnancy and Childbirth 2022 22:708
  28. Breastfeeding and maternal health play crucial roles in improving newborn health, which is closely related to the development of families and society. Early essential newborn care, which emphasizes early exclu...

    Authors: Chuanya Huang, Lei Hu, Yonghong Wang and Biru Luo
    Citation: BMC Pregnancy and Childbirth 2022 22:707
  29. A subsequent pregnancy after uterine artery embolization (UAE) raises several concerns, one of which is placenta accreta spectrum (PAS). Placenta previa is the strongest risk factor for PAS, which is most like...

    Authors: Shunya Sugai, Kaoru Yamawaki, Kazufumi Haino and Koji Nishijima
    Citation: BMC Pregnancy and Childbirth 2022 22:706
  30. In sub-Saharan Africa (SSA), numerous studies have examined women’s choice of abortion methods and services using hospital-based data, community-based surveys and nationally representative data. Little researc...

    Authors: Desmond Klu, Isaac Yeboah, Esinam Afi Kayi, Joshua Okyere and Mary Naana Essiaw
    Citation: BMC Pregnancy and Childbirth 2022 22:705
  31. Gestational anemia, most commonly caused by iron deficiency, may increase the risk of maternal anxiety and depression and have a potentially far-reaching impact on mother’s and newborn’s health. Several mechan...

    Authors: Lotta Kemppinen, Mirjami Mattila, Eeva Ekholm, Linda Huolila, Juho Pelto, Hasse Karlsson, Kaarin Mäkikallio and Linnea Karlsson
    Citation: BMC Pregnancy and Childbirth 2022 22:704
  32. To determine the predictive values of sperm parameters pre- and post-processing by density gradient centrifugation for clinical pregnancy rates (CPRs) following artificial insemination by husband (AIH) in infe...

    Authors: Yumei Luo, Mingxing Liu, Shunhong Wu, Mimi Zhang, Jingru Yuan, Yufang Zhong, Qing Li, Xiaofang Sun, Xia Xu and Detu Zhu
    Citation: BMC Pregnancy and Childbirth 2022 22:703
  33. Fertility rates among adolescents have fallen globally, yet the greatest incidence remains in low-and middle-income countries (LMICs). Gaining insight into adolescents needs and experiences of pregnancy will h...

    Authors: Rachel Crooks, Carol Bedwell and Tina Lavender
    Citation: BMC Pregnancy and Childbirth 2022 22:702
  34. Antibiotics are important medicines to prevent maternal and child morbidity and mortality. Women’s knowledge and attitudes towards antibiotic use influence their practice. When they become mothers, this may be...

    Authors: Sengchanh Kounnavong, Weirong Yan, Amphoy Sihavong, Vanphanom Sychareun, Jaran Eriksen, Claudia Hanson, Kongmany Chaleunvong, Bounxou Keohavong, Manivanh Vongsouvath, Mayfong Mayxay, Annelie Brauner, Cecilia Stålsby Lundborg and Anna Machowska
    Citation: BMC Pregnancy and Childbirth 2022 22:701
  35. Maternal mental health conditions (MMHCs), which include depression and anxiety disorders during pregnancy and through five years postpartum, are among the most common obstetric complications in the United Sta...

    Authors: Caroline Margiotta, Jessica Gao, So O’Neil, Divya Vohra and Kara Zivin
    Citation: BMC Pregnancy and Childbirth 2022 22:700
  36. Being a new parent can be both joyful and stressful. Parenting stress is associated with poorer health and well-being for parents and infant and increased psychological distress. For new mothers, physical and ...

    Authors: Vivien Swanson and Leena Hannula
    Citation: BMC Pregnancy and Childbirth 2022 22:699
  37. Fetal macrosomia is common occurrence in pregnancy, which is associated with several adverse prognosis both of maternal and neonatal. While, the accuracy of prediction of fetal macrosomia is poor. The aim of t...

    Authors: Qianwen Lu, Zhiwei Guo, Jun Zhang, Ke Wang, Qi Tian, Siping Liu, Kun Li, Cailing Xu, Caimin Li, Zenglu Lv, Zhigang Zhang, Xuexi Yang and Fang Yang
    Citation: BMC Pregnancy and Childbirth 2022 22:698
  38. Endocannabinoid anandamide (AEA), progesterone (P4) and β-human chorionic gonadotrophin (β-hCG) are associated with the threatened miscarriage in the early stage. However, no study has investigated whether com...

    Authors: Jingying Huang, Ping Lv, Yunzhi Lian, Meihua Zhang, Xin Ge, Shuheng Li, Yingxia Pan, Jiangman Zhao, Yue Xu, Hui Tang, Nan Li and Zhishan Zhang
    Citation: BMC Pregnancy and Childbirth 2022 22:697
  39. Sepsis is a very serious complication of cesarean section, understanding the influencing factors is important to the prevention and management of sepsis. We aimed to analyze the associated risk factors of seps...

    Authors: Meiniang Shi, Lanlan Chen, Xiaoyun Ma and Biyu Wu
    Citation: BMC Pregnancy and Childbirth 2022 22:696
  40. Existing evidence highlights that exposure to secondhand smoke (SHS) is a risk factor for pregnant women’s health and is possibly affected by individual characteristics. This study aimed to explore the effect ...

    Authors: Wensu Zhou, Xidi Zhu, Zhao Hu, Shaojie Li, Baohua Zheng, Yunhan Yu and Donghua Xie
    Citation: BMC Pregnancy and Childbirth 2022 22:695
  41. Sleep disturbance in pregnant women needs to be accurately assessed in a timely manner during pregnancy, to receive assessment-driven accurate intervention. This study aims to compare the factor structure of t...

    Authors: Hyejung Lee, Ki-Eun Kim, Mi-Young Kim and Chang Gi Park
    Citation: BMC Pregnancy and Childbirth 2022 22:694
  42. Direct obstetric causes account for nearly 75% of all maternal deaths. Controversy prevails in the effect of grand multiparity on adverse obstetric outcomes. This study thus aimed to determine and compare the ...

    Authors: Mesfin Tadese, Saba Desta Tessema, Birhan Tsegaw Taye and Getaneh Baye Mulu
    Citation: BMC Pregnancy and Childbirth 2022 22:693
  43. Almost two million stillbirths occur annually, most occurring in low- and middle-income countries. Nigeria is reported to have one of the highest stillbirth rates on the African continent. The aim was to ident...

    Authors: Rebecca Milton, F. Modibbo, D. Gillespie, F. I. Alkali, A. S. Mukaddas, A. Kassim, F. H. Sa’ad, F. M. Tukur, R. Y. Khalid, M. Y. Muhammad, M. Bello, C. P. Edwin, E. Ogudo, K. C. Iregbu, L. Jones, K. Hood…
    Citation: BMC Pregnancy and Childbirth 2022 22:692
  44. Despite the significant benefit of the continuum of care to avert maternal and neonatal mortality and morbidity, still the dropout from the continuum of care remains high and continued to become a challenge in...

    Authors: Gossa Fetene Abebe, Dereje Zeleke Belachew, Desalegn Girma, Alemseged Aydiko and Yilkal Negesse
    Citation: BMC Pregnancy and Childbirth 2022 22:691
  45. Our objectives were to investigate the relationship between maternal vitamin D status and IGF-1 levels in healthy Minangkabau pregnant mothers and their impact on newborn anthropometry outcomes and to examine ...

    Authors: Arif Sabta Aji, Nur Indrawaty Lipoeto, Yusrawati Yusrawati, Safarina G. Malik, Nur Aini Kusmayanti, Isman Susanto, Siti Nurunniyah, Ratih Devi Alfiana, Wahyuningsih Wahyuningsih, Nur Mukhlishoh Majidah and Karani Santhanakrishnan Vimaleswaran
    Citation: BMC Pregnancy and Childbirth 2022 22:690
  46. Perinatal mental health problems are prevalent, affecting up to 20% of women However, only 17–25% receive formal support during the perinatal period. In this qualitative study, we sought to examine women’s exp...

    Authors: Chloe Rice, Emma Ingram and Heather O’Mahen
    Citation: BMC Pregnancy and Childbirth 2022 22:689
  47. Various methods are used for cervical ripening during the induction of labor. Mechanical and pharmacological methods are commonly used for cervical ripening. A double-balloon catheter was specifically develope...

    Authors: Ge Zhao, Guang Song and Jing Liu
    Citation: BMC Pregnancy and Childbirth 2022 22:688
  48. A significant proportion of women with preeclampsia (PE) exhibit persistent postpartum hypertension (PHTN) at 3 months postpartum associated with cardiovascular morbidity. This study aimed to screen patients w...

    Authors: Yuan-Yuan Li, Jing Cao, Jia-Lei Li, Jun-Yan Zhu, Yong-Mei Li, De-Ping Wang, Hong Liu, Hai-Lan Yang, Yin-Fang He, Li-Yan Hu, Rui Zhao, Chu Zheng, Yan-Bo Zhang and Ji-Min Cao
    Citation: BMC Pregnancy and Childbirth 2022 22:687
  49. Obesity and overweight are considered risk factors for a range of adverse outcomes, including stillbirth. This study aims to identify factors reported by women influencing weight management behaviours during p...

    Authors: Tamara Escañuela Sánchez, Sarah Meaney, Caroline O’Connor, Laura Linehan, Keelin O’Donoghue, Molly Byrne and Karen Matvienko-Sikar
    Citation: BMC Pregnancy and Childbirth 2022 22:682

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