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Jonas J Swartz

Jonas J Swartz

Associate Professor of Obstetrics and Gynecology
Obstetrics and Gynecology, Women's Community & Population Health
jonas.swartz@duke.edu
Box 3084, Durham, NC 27710
DUMC Box 3084, Durham, NC 27710

Selected Publications

Linking deliveries to newborns using nationwide Medicaid data.

Journal Article BMC medical research methodology · October 2025 Full text Cite

Future reproductive outcomes and contraceptive access in the first year postpartum after non-receipt of postpartum permanent contraception.

Journal Article Contraception · August 2025 OBJECTIVE: Our objective was to compare pregnancy, contraceptive uptake, and health care utilization in the 365 days following delivery, between those who requested and did not receive permanent contraception and those who requested other types of postpart ... Full text Link to item Cite

Postpartum Medicaid Use in Birthing Parents and Access to Financed Care.

Journal Article JAMA Health Forum · June 7, 2025 IMPORTANCE: The American Rescue Plan of 2021 allowed states to expand pregnancy Medicaid coverage to 12 months post partum. How the new policy affects Medicaid coverage and health care utilization is largely unknown. OBJECTIVES: To quantify insurance cover ... Full text Link to item Cite

Patient Preferences for Provider Specialization for Induced Abortion and Miscarriage Care.

Journal Article J Womens Health (Larchmt) · May 2025 Objectives: Most induced abortions are provided by abortion specialists, despite knowledge and skills overlap with other disciplines, particularly general obstetrics and gynecology (OB/GYN). We evaluated patient preferences for abortion and miscarriage car ... Full text Link to item Cite

Reported changes in romantic and sexual behavior among college and graduate students during COVID-19.

Journal Article J Am Coll Health · April 2025 Objective: To understand changes in romantic and sexual behavior among college and graduate students in North Carolina during COVID-19. Participants: Participants were between 18-30 years old and enrolled in a two- or four-year college or graduate program ... Full text Link to item Cite

In Reply.

Journal Article Obstet Gynecol · April 1, 2025 Full text Link to item Cite

Measuring abortion in claims data: What is the state of the science?

Journal Article Contraception · February 2025 Health care insurance claims are an increasingly common data source for health outcomes research. While researchers have successfully used several claims data sources for many obstetric and gynecologic questions, the use of claims data for abortion and con ... Full text Link to item Cite

Transcutaneous Electric Nerve Stimulation for Analgesia During Outpatient Endometrial Biopsy: A Randomized Controlled Trial.

Journal Article Obstetrics and gynecology · January 2025 ObjectiveTo evaluate whether transcutaneous electric nerve stimulation (TENS) decreases pain at the time of outpatient endometrial biopsy.MethodsWe conducted a randomized, double-blind trial of active TENS compared with placebo TENS at th ... Full text Cite

Medicaid policy change and the association between insurance and postpartum permanent contraception fulfillment in West Virginia.

Journal Article Womens Health (Lond) · 2025 BACKGROUND: The federal 30-day waiting period for Medicaid-covered female permanent contraception (PC) is a known barrier to timely fulfillment. In July 2020, West Virginia became the first state to bypass this waiting period by using state funds to suppor ... Full text Link to item Cite

Incidence of induced abortion among commercially insured pregnant patients with cancer.

Journal Article Contraception · October 2024 OBJECTIVES: This study aimed to characterize pregnancy outcomes and the incidence of induced abortion among pregnant people with a diagnosis of malignancy. STUDY DESIGN: We conducted a retrospective cohort study among privately insured people aged 12 to 55 ... Full text Link to item Cite

Telemedicine services in higher education: a review of college and university websites.

Journal Article J Am Coll Health · 2024 OBJECTIVES: To identify rates of telemedicine provision during the COVID-19 pandemic and predictive institutional factors among 4-year and graduate colleges and universities. PARTICIPANTS: The study (n = 364) included the websites (.edu) of accredited publ ... Full text Link to item Cite

Not all Medicaid for pregnancy care is delivered equally.

Journal Article PLoS One · 2024 OBJECTIVES: Pregnant beneficiaries in the two primary Medicaid eligibility categories, traditional Medicaid and pregnancy Medicaid, have differing access to care especially in the preconception and postpartum periods. Pregnancy Medicaid has higher income l ... Full text Link to item Cite

Induced Abortion for Maternal Cardiac Indication: 2 Cases of Unintended Pregnancy With LVAD.

Journal Article JACC Case Rep · December 6, 2023 We present 2 cases of patients with left ventricular assist device who underwent an induced abortion in the first and second trimester, respectively. Comprehensive counseling is critical for this patient population, and close coordination of interdisciplin ... Full text Link to item Cite

Postpartum Expansion of Emergency Medicaid is Associated with Increased Receipt of Recommended Glycemic Screening and Care.

Journal Article J Immigr Minor Health · December 2023 Oregon expanded Emergency Medicaid coverage to 60 days of postpartum care in 2018, facilitating ongoing care for conditions such as gestational diabetes. We linked Medicaid claims and birth certificates from 2010 to 2019 in Oregon and South Carolina, which ... Full text Link to item Cite

The #IVF journey: content analysis of IVF videos on TikTok.

Journal Article Reprod Biomed Online · December 2023 RESEARCH QUESTION: What patient populations and outcomes are depicted on IVF videos on the short-form video-sharing application 'TikTok'? DESIGN: This cross-sectional study investigated the 100 most-viewed videos utilizing the #IVF hashtag on TikTok. Only ... Full text Link to item Cite

Contraceptive Provision to Women With Intellectual and Developmental Disabilities Enrolled in Medicaid.

Journal Article Obstet Gynecol · December 1, 2023 OBJECTIVE: To compare contraceptive provision to women with and without intellectual and developmental disabilities enrolled in North Carolina Medicaid. METHODS: Our retrospective cohort study used 2019 North Carolina Medicaid claims to identify women aged ... Full text Link to item Cite

Contraceptive Provision to Women With Intellectual and Developmental Disabilities Enrolled in Medicaid.

Journal Article Obstet Gynecol · December 1, 2023 OBJECTIVE: To compare contraceptive provision to women with and without intellectual and developmental disabilities enrolled in North Carolina Medicaid. METHODS: Our retrospective cohort study used 2019 North Carolina Medicaid claims to identify women aged ... Full text Link to item Cite

Labor induction in the age of TikTok: what are influencers teaching patients about oxytocin infusion?

Journal Article American journal of obstetrics & gynecology MFM · November 2023 Full text Cite

Contraceptive Provision to Women With Intellectual and Developmental Disabilities Enrolled in Medicaid.

Journal Article Obstet Gynecol · October 26, 2023 OBJECTIVE: To compare contraceptive provision to women with and without intellectual and developmental disabilities enrolled in North Carolina Medicaid. METHODS: Our retrospective cohort study used 2019 North Carolina Medicaid claims to identify women aged ... Full text Link to item Cite

Immigration Policy and the Health of Latina Mothers and Their Infants.

Journal Article J Immigr Minor Health · August 2023 Restrictive immigration policies may adversely affect the health of Latina mothers and their infants. We hypothesized that undocumented Latina mothers and their US born children would have worse birth outcomes and healthcare utilization following the Novem ... Full text Link to item Cite

Contraceptive Access and Use Among Undergraduate and Graduate Students During COVID-19: Online Survey Study.

Journal Article JMIR Form Res · March 14, 2023 BACKGROUND: The COVID-19 pandemic led to widespread college campus closures in the months of March to June 2020, endangering students' access to on-campus health resources, including reproductive health services. OBJECTIVE: To assess contraceptive access a ... Full text Link to item Cite

Telemedicine access and higher educational attainment.

Journal Article J Am Coll Health · 2023 What role should telemedicine services play in a higher education landscape that increasingly embraces online education? How prominently should telemedicine feature in the suite of wraparound services that schools prioritize for vulnerable students? While ... Full text Link to item Cite

TikTok, #IUD, and User Experience With Intrauterine Devices Reported on Social Media.

Journal Article Obstet Gynecol · January 1, 2023 TikTok, a video-sharing application, offers a growing platform for contraception-related content. The top 100 videos tagged "#IUD" were compiled using a web-scraping application. User demographics and video content were analyzed by two independent reviewer ... Full text Link to item Cite

Association of Prenatal Care Expansion With Use of Antidiabetic Agents During Pregnancies Among Latina Emergency Medicaid Recipients With Gestational Diabetes.

Journal Article JAMA Netw Open · April 1, 2022 IMPORTANCE: Access to necessary prenatal care is not guaranteed through Medicaid for some people with low income based on their immigration status. Although states have the option to extend emergency Medicaid coverage for prenatal care, many states have no ... Full text Link to item Cite

The Problems with Crisis Pregnancy Centers: Reviewing the Literature and Identifying New Directions for Future Research.

Journal Article Int J Womens Health · 2022 Crisis pregnancy centers (CPCs) are nonprofit organizations that present themselves as healthcare clinics while providing counseling explicitly intended to discourage and limit access to abortion. These facilities engage in purposefully manipulative and de ... Full text Link to item Cite

Unfulfilled Requests for Postpartum Tubal Ligation at a Southern Tertiary Care Center

Journal Article North Carolina Medical Journal · January 1, 2022 Background Nationally, multiple barriers lead only 50% of women who request postpartum tubal ligation to receive it prior to discharge. We aimed to identify characteristics associated with unfulfilled requests for postpartum tubal ligation at a tertiary me ... Full text Cite

Pregnancy Medicaid Improvements in a Nonexpansion State After the Affordable Care Act.

Journal Article Ann Fam Med · 2021 Featured Publication One-half of women in the United States use Medicaid during pregnancy. Women living in states that did not expand Medicaid under the Patient Protection and Affordable Care Act (ACA) are at risk of losing coverage post partum. We analyzed Medicaid claims and ... Full text Link to item Cite

Comparing Website Identification for Crisis Pregnancy Centers and Abortion Clinics.

Journal Article Womens Health Issues · 2021 BACKGROUND: Crisis pregnancy centers (CPCs) seeking to dissuade women from abortion often appear in Internet searches for abortion clinics. We aimed to assess whether women can use screenshots from real websites to differentiate between CPCs and abortion c ... Full text Link to item Cite

Women's knowledge of their state's abortion regulations. A national survey.

Journal Article Contraception · November 2020 Featured Publication OBJECTIVES: States vary significantly in their regulation of abortion. Misinformation about abortion is pervasive and propagated by state-mandated scripts that contain abortion myths. We sought to investigate women's knowledge of abortion laws in their sta ... Full text Link to item Cite

Extending Delivery Coverage to Include Prenatal Care for Low-Income, Immigrant Women Is a Cost-Effective Strategy.

Journal Article Womens Health Issues · 2020 OBJECTIVE: To compare the outcomes and cost effectiveness of two alternate policy strategies for prenatal care among low-income, immigrant women: coverage for delivery only (the federal standard) and prenatal care with delivery coverage (state option under ... Full text Link to item Cite

Oregon's Expansion of Prenatal Care Improved Utilization Among Immigrant Women.

Journal Article Matern Child Health J · February 2019 Featured Publication Objectives To determine whether expanding Emergency Medicaid to cover prenatal care in Oregon affected maternal health outcomes for unauthorized immigrants. Methods This study takes place in Oregon from 2003 to 2015 and includes all Emergency Medicaid and ... Full text Link to item Cite

Why Crisis Pregnancy Centers Are Legal but Unethical.

Journal Article AMA J Ethics · March 1, 2018 Crisis pregnancy centers are organizations that seek to intercept women with unintended pregnancies who might be considering abortion. Their mission is to prevent abortions by persuading women that adoption or parenting is a better option. They strive to g ... Full text Link to item Cite

Pharmacists' experience with prescribing hormonal contraception in Oregon.

Journal Article J Am Pharm Assoc (2003) · 2018 OBJECTIVES: To describe Oregon pharmacy practices in provision of hormonal contraception (HC) and evaluate if pharmacists' motivation to prescribe changed after 6 and 12 months of experience. METHODS: Pharmacists practicing in Oregon who underwent the mand ... Full text Link to item Cite

Expanding Prenatal Care to Unauthorized Immigrant Women and the Effects on Infant Health.

Journal Article Obstet Gynecol · November 2017 Featured Publication OBJECTIVE: To measure the effect of access to prenatal care on unauthorized and low-income, new legal permanent resident immigrant women and their offspring. METHODS: We used a difference-in-differences design that leverages the staggered rollout of Emerge ... Full text Link to item Cite

Protecting unauthorized immigrant mothers improves their children's mental health.

Journal Article Science · September 8, 2017 Featured Publication The United States is embroiled in a debate about whether to protect or deport its estimated 11 million unauthorized immigrants, but the fact that these immigrants are also parents to more than 4 million U.S.-born children is often overlooked. We provide ca ... Full text Link to item Cite

Prenatal Care For Pregnant Immigrants.

Journal Article Health Aff (Millwood) · July 1, 2017 Full text Link to item Cite

Pharmacist prescription of hormonal contraception in Oregon: Baseline knowledge and interest in provision.

Journal Article J Am Pharm Assoc (2003) · 2016 OBJECTIVES: Oregon has implemented legislation expanding the scope of pharmacists to directly prescribe short-acting hormonal contraception (pill and patch) without a medical prescription. Pharmacists are crucial to the success of the new law, but relative ... Full text Link to item Cite

Simplifying healthful choices: a qualitative study of a physical activity based nutrition label format.

Journal Article Nutr J · June 6, 2013 BACKGROUND: This study used focus groups to pilot and evaluate a new nutrition label format and refine the label design. Physical activity equivalent labels present calorie information in terms of the amount of physical activity that would be required to e ... Full text Link to item Cite

Potential effect of physical activity based menu labels on the calorie content of selected fast food meals.

Journal Article Appetite · March 2013 In this study we examined the effect of physical activity based labels on the calorie content of meals selected from a sample fast food menu. Using a web-based survey, participants were randomly assigned to one of four menus which differed only in their la ... Full text Link to item Cite

Calorie menu labeling on quick-service restaurant menus: an updated systematic review of the literature.

Journal Article Int J Behav Nutr Phys Act · December 8, 2011 Nutrition labels are one strategy being used to combat the increasing prevalence of overweight and obesity in the United States. The Patient Protection and Affordable Care Act of 2010 mandates that calorie labels be added to menu boards of chain restaurant ... Full text Open Access Link to item Cite

Screening for distress in patients with brain cancer using the NCCN's rapid screening measure.

Journal Article Psychooncology · June 2008 GOALS OF WORK: Patients with brain cancer are at a risk of experiencing elevated levels of distress due to the severe functional, neurocognitive, and neuropsychological sequelae of the disease. Using the National Comprehensive Cancer Network's Distress The ... Full text Link to item Cite

Stress and long-term survivors of brain cancer.

Journal Article Support Care Cancer · December 2007 INTRODUCTION: Adult brain tumor patients are joining the ranks of cancer survivors in increasing numbers in the United States. As a result, health care providers are faced with new challenges to address the need for psychosocial support in this population. ... Full text Link to item Cite

Early breast cancer therapy and cardiovascular injury.

Journal Article J Am Coll Cardiol · October 9, 2007 Although recent advances in curative-intent therapies are beginning to produce significant survival gains in early breast cancer, these improvements may ultimately be attenuated by increased risk of long-term cardiovascular mortality. This paper reviews em ... Full text Link to item Cite

Program preferences to reduce stress in caregivers of patients with brain tumors.

Journal Article Clin J Oncol Nurs · October 2007 Providing care for patients with cancer places caregivers at risk for experiencing elevated levels of stress. Caregivers of patients with brain tumors may be at increased risk because of the multifaceted needs of this patient population. As such, the autho ... Full text Link to item Cite