☆ 4.5 Review

Covid-19 vaccination in pregnancy

BMJ-BRITISH MEDICAL JOURNAL (2022)

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Merryn Voysey et al.

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Titers of SARS CoV-2 antibodies in cord blood of neonates whose mothers contracted SARS CoV-2 (COVID-19) during pregnancy and in those whose mothers were vaccinated with mRNA to SARS CoV-2 during pregnancy

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Summary: The study found that COVID-19 vaccine acceptance among pregnant women and mothers of young children varied globally, with higher acceptance rates in India, the Philippines, and Latin American countries, and lower rates in Russia, the United States, and Australia. The main predictors of vaccine acceptance included confidence in vaccine safety and effectiveness, concern about COVID-19, trust in public health agencies, adherence to mask guidelines, and attitudes towards routine vaccines.

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COVID-19 mRNA vaccines drive differential antibody Fc-functional profiles in pregnant, lactating, and nonpregnant women

Caroline Atyeo et al.

Summary: During pregnancy, significant immunological changes occur to make the mother immunologically tolerant to the fetus and continue to protect the dyad against pathogens during and after birth. Pregnant women may be less responsive to vaccination or exhibit altered immune responses to vaccination, highlighting the importance of following prime-boost timelines to ensure full immunity is attained in this vulnerable population.

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Early exploration of COVID-19 vaccination safety and effectiveness during pregnancy: interim descriptive data from a prospective observational study

Inna Bleicher et al.

Summary: The study found that receiving mRNA vaccine during pregnancy does not increase the risk of pregnancy complications and is effective in preventing COVID-19 infection.

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Prenatal maternal COVID-19 vaccination and pregnancy outcomes

Tamar Wainstock et al.

Summary: The study found that prenatal administration of the Pfizer-BioNTech COVID-19 vaccine has no adverse effects on pregnancy course and outcomes. Women who received the vaccine during pregnancy were typically older, more likely to conceive following fertility treatments, and received more prenatal care, but there were no significant differences in pregnancy, delivery, or newborn complications compared to unvaccinated women.

VACCINE (2021)

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COVID-19 Vaccine Acceptability Among Women Who are Pregnant or Planning for Pregnancy in Saudi Arabia: A Cross-Sectional Study

Mohammed Samannodi

Summary: This study found that pregnant women and those planning for pregnancy in Saudi Arabia have moderate levels of perception, hesitancy, perceived benefits, and causes of action regarding the COVID-19 vaccine. More public health awareness is needed to increase public trust in the safety of the COVID-19 vaccine.

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Article Environmental Sciences

COVID-19 Vaccine Acceptance of Pregnant and Lactating Women (PLW) in Czechia: An Analytical Cross-Sectional Study

Abanoub Riad et al.

Summary: The study revealed that pregnant and lactating women have a high level of COVID-19 vaccine acceptance, but they tend to prefer delaying their vaccination. Factors such as pregnancy trimester, education level, employment status, and previous live births were found to be significant determinants for COVID-19 vaccine acceptance among this population subset.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH (2021)

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Article Obstetrics & Gynecology

Coronavirus disease 2019 vaccine response in pregnant and lactating women: a cohort study

Kathryn J. Gray et al.

Summary: The study found that pregnant and lactating women had equivalent antibody titers after receiving the coronavirus disease 2019 mRNA vaccine compared to nonpregnant women, and these titers were higher than those induced by natural infection. Vaccine-induced antibodies were present in umbilical cord blood and breastmilk samples, transferring immunity to neonates through placenta and breastmilk.

AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY (2021)

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Editorial Material Obstetrics & Gynecology

Cord blood antibodies following maternal coronavirus disease 2019 vaccination during pregnancy

Leena B. Mithal et al.

AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY (2021)

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Article Medicine, General & Internal

The impact of COVID-19 on pregnancy outcomes: a systematic review and meta-analysis

Shu Qin Wei et al.

Summary: Infection with COVID-19 during pregnancy may lead to an increased risk of preeclampsia, preterm birth, and other adverse pregnancy outcomes. Severe cases of COVID-19 are particularly associated with higher risks of complications such as preeclampsia, preterm birth, gestational diabetes, and low birth weight.

CANADIAN MEDICAL ASSOCIATION JOURNAL (2021)

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Article Immunology

Efficient Maternofetal Transplacental Transfer of Anti- Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Spike Antibodies After Antenatal SARS-CoV-2 BNT162b2 Messenger RNA Vaccination

Amihai Rottenstreich et al.

Summary: The study showed that both maternal and neonatal protection were provided by antenatal vaccination with the BNT162b2 vaccine. Specific antibodies were detected in both maternal and cord blood, with concentrations correlating to maternal levels and time since vaccination.

CLINICAL INFECTIOUS DISEASES (2021)

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Article Medicine, General & Internal

Immunogenicity of COVID-19 mRNA Vaccines in Pregnant and Lactating Women

Ai-ris Y. Collier et al.

Summary: This study assessed the immunogenicity of COVID-19 mRNA vaccines in pregnant and lactating women, as well as the responses against emerging SARS-CoV-2 variants. The results showed that pregnant, lactating, and nonpregnant women developed antibody and T-cell responses following vaccination, with antibodies transferred to infant cord blood and breast milk. While antibody titers against the B.1.1.7 and B.1.351 variants were reduced, T-cell responses remained against the viral variants.

JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION (2021)

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Article Obstetrics & Gynecology

COVID-19 vaccine hesitancy in perinatal women: a cross sectional survey

Suruchi Mohan et al.

Summary: The survey revealed a 25% vaccine hesitancy rate among perinatal women towards COVID-19 vaccination. The main concerns were infection risks, with vaccine specific safety concerns being the main factor driving hesitancy. Previous vaccine acceptors also showed hesitancy towards COVID-19 vaccination. About one third of the group cited non availability of the vaccine as a concern.

JOURNAL OF PERINATAL MEDICINE (2021)

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Article Medicine, General & Internal

Preliminary Findings of mRNA Covid-19 Vaccine Safety in Pregnant Persons

Tom T. Shimabukuro et al.

Summary: Preliminary data indicates that there are no obvious safety signals among pregnant women who received mRNA Covid-19 vaccines, but more data is needed for further confirmation. Adverse reactions such as injection-site pain were reported more frequently in pregnant women, but most pregnancies resulted in live births with some cases of preterm birth and small size for gestational age.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Article Obstetrics & Gynecology

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Vaccination in Pregnancy Measures of Immunity and Placental Histopathology

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Editorial Material Pediatrics

Maternal COVID-19 vaccine antibody response and passage into cord blood

Kathryn J. Gray

JOURNAL OF PEDIATRICS (2021)

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Article Biotechnology & Applied Microbiology

This choice does not just affect me. Attitudes of pregnant women toward COVID-19 vaccines: a mixed-methods study

Sarah Geoghegan et al.

Summary: A survey conducted in Ireland during the rollout of the Pfizer-BioNTech vaccine showed that about 38% of pregnant women were willing to receive the COVID-19 vaccine, while a similar proportion were not. Safety concerns for their unborn infants were the primary driver of decision making among the participants.

HUMAN VACCINES & IMMUNOTHERAPEUTICS (2021)

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Article Biotechnology & Applied Microbiology

Acceptance of a COVID-19 vaccine and associated factors among pregnant women in China: a multi-center cross-sectional study based on health belief model

Liyuan Tao et al.

Summary: The study found that there is vaccine hesitancy among pregnant women, and acceptance rate is related to factors such as age, region, education level, pregnancy stage, knowledge on COVID-19, perceived susceptibility, perceived barriers, etc. Targeted efforts are needed to increase vaccine acceptance among vulnerable populations during the COVID-19 pandemic.

HUMAN VACCINES & IMMUNOTHERAPEUTICS (2021)

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Article Pediatrics

Maternal and Neonatal Morbidity and Mortality Among Pregnant Women With and Without COVID-19 Infection The INTERCOVID Multinational Cohort Study

Jose Villar et al.

Summary: This study evaluated the risks associated with COVID-19 in pregnancy on maternal and neonatal outcomes compared with pregnant individuals without COVID-19, finding that pregnant individuals with COVID-19 were at higher risk for various complications such as preeclampsia, severe infections, and preterm birth. The findings emphasize the importance for pregnant individuals and clinicians to strictly implement recommended COVID-19 preventive measures.

JAMA PEDIATRICS (2021)

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Editorial Material Obstetrics & Gynecology

Adverse effects of COVID-19 messenger RNA vaccines among pregnant women: a cross-sectional study on healthcare workers with detailed self-reported symptoms

Renuka Ananth Kalyan Kadali et al.

AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY (2021)

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Letter Medicine, General & Internal

Spontaneous Abortion Following COVID-19 Vaccination During Pregnancy

Elyse O. Kharbanda et al.

JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION (2021)

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Article Nursing

Maternal vaccines during the Covid-19 pandemic:A qualitative interview study with UK pregnant women

Emma Anderson et al.

Summary: The study found that the Covid-19 pandemic has increased the importance of routine maternal vaccines for pregnant women, but women still have concerns about the safety of vaccine administration. Most pregnant women are cautious about receiving the new Covid-19 vaccine, perceiving it as riskier than contracting Covid-19 itself.

MIDWIFERY (2021)

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Article Biochemistry & Molecular Biology

Effectiveness of the BNT162b2 mRNA COVID-19 vaccine in pregnancy

Noa Dagan et al.

Summary: The BNT162b2 COVID-19 vaccine showed high effectiveness in pregnant women in an observational cohort study in Israel, similar to the effectiveness seen in the general population.

NATURE MEDICINE (2021)

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Letter Medicine, General & Internal

Receipt of mRNA Covid-19 Vaccines and Risk of Spontaneous Abortion

Lauren H. Zauche et al.

Summary: The risk of spontaneous abortion in early pregnancy after receiving mRNA Covid-19 vaccination is consistent with historical data.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Article Obstetrics & Gynecology

Administration of the Coronavirus Disease 2019 (COVID-19) Vaccine to Hospitalized Postpartum Patients

Marta J. Perez et al.

OBSTETRICS AND GYNECOLOGY (2021)

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Article Multidisciplinary Sciences

Prenatal care providers' perceptions of the SARS-Cov-2 vaccine for themselves and for pregnant women

Philippe Deruelle et al.

Summary: Results from an anonymous online survey of French prenatal care providers showed that most providers are in favor of vaccinating pregnant women against SARS-CoV-2, but a significant minority express reservations. Midwives are less likely to recommend vaccination compared to general practitioners and obstetricians.

PLOS ONE (2021)

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Article Reproductive Biology

Lack of effects on female fertility and prenatal and postnatal offspring development in rats with BNT162b2, a mRNA-based COVID-19 vaccine

Christopher J. Bowman et al.

Summary: The vaccine BNT162b2 was found to have no adverse effects on reproduction and development in rats, and its safety for both mothers and offspring was confirmed. This data supports further studies on BNT162b2 in women of childbearing potential, pregnant, and lactating women.

REPRODUCTIVE TOXICOLOGY (2021)

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Article Reproductive Biology

Developmental and reproductive safety of AZD1222 (ChAdOx1 nCoV-19) in mice

Richard Stebbings et al.

Summary: The non-clinical study on AZD1222 showed no adverse effects on female reproduction, fetal or pup survival, and development. Antibody responses in dams were maintained throughout gestation and postnatal periods, and seroconversion in fetuses and pups indicated the transfer of immunoglobulins through placental and lactational routes. These results, combined with clinical data from non-pregnant individuals, support the inclusion of pregnant and breastfeeding individuals in AZD1222 clinical studies.

REPRODUCTIVE TOXICOLOGY (2021)

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Article Acoustics

Short-term outcome of pregnant women vaccinated with BNT162b2 mRNA COVID-19 vaccine

S. Bookstein Peretz et al.

Summary: This observational study compared the immunogenicity and reactogenicity of the Pfizer/BioNTech BNT162b2 mRNA COVID-19 vaccine between pregnant and non-pregnant women. The study found that pregnant women experienced similar rates of adverse effects following vaccination as non-pregnant women, with lower levels of SARS-CoV-2 IgG. The vaccine was effective in generating a humoral immune response in pregnant women, with no safety concerns identified.

ULTRASOUND IN OBSTETRICS & GYNECOLOGY (2021)

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Article Virology

SARS-CoV-2 Vaccine Willingness among Pregnant and Breastfeeding Women during the First Pandemic Wave: A Cross-Sectional Study in Switzerland

Sarah Stuckelberger et al.

Summary: After the first wave of the pandemic, a study in Switzerland found that only a small percentage of pregnant and breastfeeding women were willing to receive the SARS-CoV-2 vaccine, with factors such as older age, higher education, prior influenza vaccination, having an obstetrician as the primary healthcare provider, and being in the third trimester of pregnancy associated with higher vaccine acceptance. This emphasizes the importance of identifying and reducing barriers to immunization in this population, particularly among younger individuals and those with lower education levels.

VIRUSES-BASEL (2021)

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Article Public, Environmental & Occupational Health

COVID-19 Vaccination Coverage Among Pregnant Women During Pregnancy — Eight Integrated Health Care Organizations, United States, December 14, 2020–May 8, 2021

Hilda Razzaghi et al.

MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT (2021)

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Review Medicine, General & Internal

ISIDOG Consensus Guidelines on COVID-19 Vaccination for Women before, during and after Pregnancy

Gilbert G. G. Donders et al.

Summary: Pregnancy is considered a risk factor for serious complications of COVID-19 infection, even without additional risk factors present. Current data slightly favor mRNA-based vaccines over vector-based vaccines for pregnant and breastfeeding women, until more safety data becomes available. Policy makers and societies are advised to prioritize pregnant women for SARS-CoV-2 vaccination and to recommend mRNA vaccines until further safety information is obtained.

JOURNAL OF CLINICAL MEDICINE (2021)

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Letter Medicine, General & Internal

Short-term Reactions Among Pregnant and Lactating Individuals in the First Wave of the COVID-19 Vaccine Rollout

Alisa Kachikis et al.

Summary: This cohort study compared short-term reactions following COVID-19 vaccination between pregnant and lactating individuals and those who are not pregnant or lactating but planning pregnancy.

JAMA NETWORK OPEN (2021)

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Correction Medicine, Research & Experimental

Efficient maternal to neonatal transfer of antibodies against SARS-CoV-2 and BNT162b2 mRNA COVID-19 vaccine (vol 131, e150319, 2021)

Ofer Beharier et al.

JOURNAL OF CLINICAL INVESTIGATION (2021)

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Article Medicine, Research & Experimental

SARS-CoV-2 vaccine effectiveness in preventing confirmed infection in pregnant women

Adeel A. Butt et al.

Summary: The study found that mRNA vaccines provide a high level of protection against documented SARS-CoV-2 infection during pregnancy. This supports the inclusion of pregnant women in vaccination campaigns.

JOURNAL OF CLINICAL INVESTIGATION (2021)

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Letter Obstetrics & Gynecology

High antibody levels in cord blood from pregnant women vaccinated against COVID-19

Megan E. Trostle et al.

AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM (2021)

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Letter Obstetrics & Gynecology

Acceptance of COVID-19 vaccination in pregnancy: a survey study

Ariel T. Levy et al.

AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM (2021)

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Letter Obstetrics & Gynecology

COVID-19 vaccination in pregnancy: early experience from a single institution

Megan E. Trostle et al.

AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM (2021)

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Article Medicine, General & Internal

Predictors of pregnant women's intention to vaccinate against coronavirus disease 2019: A facility-based cross-sectional study in southwest Ethiopia

Shewangizaw Hailemariam et al.

Summary: The intention of pregnant women to vaccinate against COVID-19 is low and associated with education level, residence, compliance with preventive measures, and perception of the vaccine. A widespread public health education campaign is necessary before the vaccination program in Ethiopia, with a special focus on individuals with lower education backgrounds and rural residents.

SAGE OPEN MEDICINE (2021)

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Article Obstetrics & Gynecology

Pregnancy and birth outcomes after SARS-CoV-2 vaccination in pregnancy

Regan N. Theiler et al.

Summary: In this study, pregnant women who received COVID-19 vaccination were less likely to contract COVID-19 compared to those who did not receive the vaccine, and vaccination during pregnancy did not lead to increased risks of pregnancy or delivery complications. Factors such as older age, higher education level, non-smoking status, use of infertility treatment during current pregnancy, and lower gravidity were associated with a higher likelihood of vaccination.

AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM (2021)

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Article Obstetrics & Gynecology

COVID-19 vaccine acceptance among pregnant, breastfeeding, and nonpregnant reproductive-aged women

Desmond Sutton et al.

Summary: This survey study investigated attitudes toward COVID-19 vaccination among pregnant, nonpregnant, and breastfeeding respondents, finding that nonpregnant respondents were most likely to accept the vaccine, while pregnant respondents were the least likely to do so. Working in healthcare was not associated with vaccine acceptance in this cohort.

AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM (2021)

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Article Obstetrics & Gynecology

Pregnant women's perspectives on severe acute respiratory syndrome coronavirus 2 vaccine

Luigi Carbone et al.

Summary: The majority of pregnant women in Italy are hesitant to receive the COVID-19 vaccine during pregnancy, even though they are generally in favor of vaccines. Pregnancy is considered a key factor in the decision to refuse vaccine prophylaxis.

AMERICAN JOURNAL OF OBSTETRICS & GYNECOLOGY MFM (2021)

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Letter Medicine, General & Internal

Covid-19 Vaccination during Pregnancy and First-Trimester Miscarriage

Maria C. Magnus et al.

NEW ENGLAND JOURNAL OF MEDICINE (2021)

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Review Pediatrics

Vaccination during pregnancy: current and possible future recommendations

Kirsten Maertens et al.

EUROPEAN JOURNAL OF PEDIATRICS (2020)

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Review Immunology

Vertically Transferred Immunity in Neonates: Mothers, Mechanisms and Mediators

Marie Albrecht et al.

FRONTIERS IN IMMUNOLOGY (2020)

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Article Pediatrics

Epidemiology of COVID-19 Among Children in China

Yuanyuan Dong et al.

PEDIATRICS (2020)

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Editorial Material Obstetrics & Gynecology

Are clinical outcomes worse for pregnant women at ≥20 weeks' gestation infected with coronavirus disease 2019? A multicenter case-control study with propensity score matching

Dominique A. Badr et al.

AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY (2020)

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Article Multidisciplinary Sciences

Transplacental transmission of SARS-CoV-2 infection

Alexandre J. Vivanti et al.

NATURE COMMUNICATIONS (2020)

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Review Medicine, General & Internal

Clinical manifestations, risk factors, and maternal and perinatal outcomes of coronavirus disease 2019 in pregnancy: living systematic review and meta-analysis

John Allotey et al.

BMJ-BRITISH MEDICAL JOURNAL (2020)

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Article Multidisciplinary Sciences

Congenital Zika syndrome: A systematic review

Danielle A. Freitas et al.

PLOS ONE (2020)

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Article Public, Environmental & Occupational Health

Update: Characteristics of Symptomatic Women of Reproductive Age with Laboratory-Confirmed SARS-CoV-2 Infection by Pregnancy Status - United States, January 22-October 3, 2020

Laura D. Zambrano et al.

MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT (2020)

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Article Obstetrics & Gynecology

Influenza and Pregnancy No Time for Complacency

Sonja A. Rasmussen et al.

OBSTETRICS AND GYNECOLOGY (2019)

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Review Obstetrics & Gynecology

Fetal and neonatal abnormalities due to congenital rubella syndrome: a review of literature

Alexandre Yazigi et al.

JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE (2017)

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Article Obstetrics & Gynecology

Vaccinations for Pregnant Women

Geeta K. Swamy et al.

OBSTETRICS AND GYNECOLOGY (2015)

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Article Medicine, General & Internal

Safety and Immunogenicity of Tetanus Diphtheria and Acellular Pertussis (Tdap) Immunization During Pregnancy in Mothers and Infants A Randomized Clinical Trial

Flor M. Munoz et al.

JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION (2014)

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Review Obstetrics & Gynecology

2009 pandemic influenza A (H1N1) in pregnancy: a systematic review of the literature

Laura G. Mosby et al.

AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY (2011)

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Review Obstetrics & Gynecology

Varicella-zoster virus (chickenpox) infection in pregnancy

Ronald F. Lamont et al.

BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY (2011)

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