Kelli K Ryckman
Biographic Data
| ID | 5473020 |
|---|---|
| NAME | Kelli K Ryckman |
| GIVEN NAMES | Kelli K |
| FAMILY NAME | Ryckman |
| SIGNATURE | RYCKMAN K K |
| AFFILIATIONS | University of Iowa |
| ORCID | 0000-0002-9496-4147 |
| VERIFIED | Yes |
| TOTAL WORKS | 15 |
| TOTAL CITATIONS | 7 |
| WORKS AS AUTHOR | 15 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2016 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 1 |
What racial disparities exist in the prevalence of perinatal bipolar disorder in California
Differences in bipolar disorder diagnoses exist across racial categories and when compared to White women, Multiracial women had the highest odds of bipolar disorder and thus represent a perinatal population of focus for future intervention studies. The increased burden of mental health problems among Multiracial women is consistent with recent research that employs disaggregated race data. More studies of Multiracial women are needed to determin…
Latent class analysis to characterize neonatal risk for neurodevelopmental differences
BACKGROUND: Neonatal risk factors, such as preterm birth and low birth weight, have been robustly linked to neurodevelopmental deficits, yet it is still unclear why some infants born preterm and/or low birth weight experience neurodevelopmental difficulties while others do not. The current study investigated this heterogeneity in neurodevelopmental abilities by examining additional neonatal morbidities as risk factors, utilizing latent class anal…
Labor & delivery unit closures most impact travel times to birth locations for micropolitan residents in Iowa
PURPOSE: Continued closure of rural hospitals and labor & delivery units can impact timely access to care. Iowa has lost over a quarter of its labor & delivery units in the previous decade. Calculating how travel times to labor & delivery services have changed, and where in the state the largest travel times take place, are important for understanding access to this critical service. METHODS: Using parental address and facility location from birt…
Closure of Labor & Delivery units in rural counties is associated with reduced adequacy of prenatal care, even when prenatal care remains available
PURPOSE: Closure of rural Labor & Delivery (L&D) units can impact timely access to hospital-based obstetrical care. Iowa has lost over a quarter of its L&D units in the previous decade. Assessing the effect of these closures on prenatal care in those rural communities is important to understanding the full effect of unit closures on maternal health care. METHODS: Using birth certificate data in Iowa from 2017 to 2019, the initiation of prenatal c…
Parent mental health and child behavior during the Covid-19 pandemic
Our findings have the potential to inform efforts aimed at equipping children with behavioral resources
Machine learning prediction of gestational age from metabolic screening markers resistant to ambient temperature transportation
Background: Knowledge of gestational age is critical for guiding preterm neonatal care. In the last decade, metabolic gestational dating approaches emerged in response to a global health need; because in most of the developing world, accurate antenatal gestational age estimates are not feasible. These methods initially developed in North America have now been externally validated in two studies in developing countries, however, require shipment o…
Interpregnancy Interval and Birth Outcomes
This study demonstrates a dose response association between short IPI and adverse birth outcomes, with no increased risk beyond 12 months. Findings suggest that longer IPI recommendations may be overly proscriptive
Association of maternal prenatal selenium concentration and preterm birth
BACKGROUND: Selenium (Se), an essential trace mineral, has been implicated in preterm birth (PTB). We aimed to determine the association of maternal Se concentrations during pregnancy with PTB risk and gestational duration in a large number of samples collected from diverse populations. METHODS: Gestational duration data and maternal plasma or serum samples of 9946 singleton live births were obtained from 17 geographically diverse study cohorts. …
Using Amanhi-ACT cohorts for external validation of Iowa new-born metabolic profiles based models for postnatal gestational age estimation
BACKGROUND: Globally, 15 million infants are born preterm and another 23.2 million infants are born small for gestational age (SGA). Determining burden of preterm and SGA births, is essential for effective planning, modification of health policies and targeting interventions for reducing these outcomes for which accurate estimation of gestational age (GA) is crucial. Early pregnancy ultrasound measurements, last menstrual period and post-natal ne…
Gestational age dating using newborn metabolic screening
Background Limited ultrasound capacity in low-resource settings makes correct gestational age (GA) dating difficult. Previous work demonstrated that newborn metabolic profiles can accurately determine gestational age, but this relationship has not been evaluated in low-income countries. The objective of this study was to validate and adapt a metabolic GA dating model developed using newborn blood spots for use in a low-resource setting in rural U…
Rurality and Risk of Perinatal Depression Among Women in the United States
OBJECTIVE: Rural populations may experience more frequent and intense risk factors for perinatal depression than their urban counterparts. However, research has yet to examine rural versus urban differences in a population-based study in the United States. Therefore, this study examined differences in risk of perinatal depression between women living in rural versus urban areas in the United States. METHOD: Using 2016 data from the Pregnancy Risk…
Health Advantages and Disparities in Preterm Birth Among Immigrants Despite Disparate Sociodemographic, Behavioral, and Maternal Risk Factors in San Diego, California
Socioeconomic Status, Preeclampsia Risk and Gestational Length in Black and White Women
Compared to White women, Black women had increased preeclampsia risk. Higher SES attenuated risk for preeclampsia among White women, but not for Black women. Similarly, higher SES indirectly predicted longer gestational length via reduced preeclampsia risk among White women, but not for Black women. These findings are consistent with diminishing returns of higher SES for Black women with respect to preeclampsia
Previous Adverse Outcome of Term Pregnancy and Risk of Preterm Birth in Subsequent Pregnancy
Physical Activity During Pregnancy and Subsequent Risk of Preeclampsia and Gestational Hypertension
Socioeconomic Status, Preeclampsia Risk and Gestational Length in Black and White Women
Compared to White women, Black women had increased preeclampsia risk. Higher SES attenuated risk for preeclampsia among White women, but not for Black women. Similarly, higher SES indirectly predicted longer gestational length via reduced preeclampsia risk among White women, but not for Black women. These findings are consistent with diminishing returns of higher SES for Black women with respect to preeclampsia
Parent mental health and child behavior during the Covid-19 pandemic
Our findings have the potential to inform efforts aimed at equipping children with behavioral resources
Physical Activity During Pregnancy and Subsequent Risk of Preeclampsia and Gestational Hypertension
Previous Adverse Outcome of Term Pregnancy and Risk of Preterm Birth in Subsequent Pregnancy
Health Advantages and Disparities in Preterm Birth Among Immigrants Despite Disparate Sociodemographic, Behavioral, and Maternal Risk Factors in San Diego, California
Socioeconomic Status, Preeclampsia Risk and Gestational Length in Black and White Women
Compared to White women, Black women had increased preeclampsia risk. Higher SES attenuated risk for preeclampsia among White women, but not for Black women. Similarly, higher SES indirectly predicted longer gestational length via reduced preeclampsia risk among White women, but not for Black women. These findings are consistent with diminishing returns of higher SES for Black women with respect to preeclampsia
Rurality and Risk of Perinatal Depression Among Women in the United States
OBJECTIVE: Rural populations may experience more frequent and intense risk factors for perinatal depression than their urban counterparts. However, research has yet to examine rural versus urban differences in a population-based study in the United States. Therefore, this study examined differences in risk of perinatal depression between women living in rural versus urban areas in the United States. METHOD: Using 2016 data from the Pregnancy Risk…
Association of maternal prenatal selenium concentration and preterm birth
BACKGROUND: Selenium (Se), an essential trace mineral, has been implicated in preterm birth (PTB). We aimed to determine the association of maternal Se concentrations during pregnancy with PTB risk and gestational duration in a large number of samples collected from diverse populations. METHODS: Gestational duration data and maternal plasma or serum samples of 9946 singleton live births were obtained from 17 geographically diverse study cohorts. …
Using Amanhi-ACT cohorts for external validation of Iowa new-born metabolic profiles based models for postnatal gestational age estimation
BACKGROUND: Globally, 15 million infants are born preterm and another 23.2 million infants are born small for gestational age (SGA). Determining burden of preterm and SGA births, is essential for effective planning, modification of health policies and targeting interventions for reducing these outcomes for which accurate estimation of gestational age (GA) is crucial. Early pregnancy ultrasound measurements, last menstrual period and post-natal ne…
Gestational age dating using newborn metabolic screening
Background Limited ultrasound capacity in low-resource settings makes correct gestational age (GA) dating difficult. Previous work demonstrated that newborn metabolic profiles can accurately determine gestational age, but this relationship has not been evaluated in low-income countries. The objective of this study was to validate and adapt a metabolic GA dating model developed using newborn blood spots for use in a low-resource setting in rural U…
Machine learning prediction of gestational age from metabolic screening markers resistant to ambient temperature transportation
Background: Knowledge of gestational age is critical for guiding preterm neonatal care. In the last decade, metabolic gestational dating approaches emerged in response to a global health need; because in most of the developing world, accurate antenatal gestational age estimates are not feasible. These methods initially developed in North America have now been externally validated in two studies in developing countries, however, require shipment o…
Interpregnancy Interval and Birth Outcomes
This study demonstrates a dose response association between short IPI and adverse birth outcomes, with no increased risk beyond 12 months. Findings suggest that longer IPI recommendations may be overly proscriptive
Latent class analysis to characterize neonatal risk for neurodevelopmental differences
BACKGROUND: Neonatal risk factors, such as preterm birth and low birth weight, have been robustly linked to neurodevelopmental deficits, yet it is still unclear why some infants born preterm and/or low birth weight experience neurodevelopmental difficulties while others do not. The current study investigated this heterogeneity in neurodevelopmental abilities by examining additional neonatal morbidities as risk factors, utilizing latent class anal…
Labor & delivery unit closures most impact travel times to birth locations for micropolitan residents in Iowa
PURPOSE: Continued closure of rural hospitals and labor & delivery units can impact timely access to care. Iowa has lost over a quarter of its labor & delivery units in the previous decade. Calculating how travel times to labor & delivery services have changed, and where in the state the largest travel times take place, are important for understanding access to this critical service. METHODS: Using parental address and facility location from birt…
Closure of Labor & Delivery units in rural counties is associated with reduced adequacy of prenatal care, even when prenatal care remains available
PURPOSE: Closure of rural Labor & Delivery (L&D) units can impact timely access to hospital-based obstetrical care. Iowa has lost over a quarter of its L&D units in the previous decade. Assessing the effect of these closures on prenatal care in those rural communities is important to understanding the full effect of unit closures on maternal health care. METHODS: Using birth certificate data in Iowa from 2017 to 2019, the initiation of prenatal c…
Parent mental health and child behavior during the Covid-19 pandemic
Our findings have the potential to inform efforts aimed at equipping children with behavioral resources
What racial disparities exist in the prevalence of perinatal bipolar disorder in California
Differences in bipolar disorder diagnoses exist across racial categories and when compared to White women, Multiracial women had the highest odds of bipolar disorder and thus represent a perinatal population of focus for future intervention studies. The increased burden of mental health problems among Multiracial women is consistent with recent research that employs disaggregated race data. More studies of Multiracial women are needed to determin…
Medicine (15 works) · Pregnancy (11 works) · Gestational age (8 works) · Population (8 works) · Environmental health (7 works) · Obstetrics (7 works) · Internal Medicine (6 works) · Pregnancy and preeclampsia studies (6 works) · Biology (5 works) · Demography (5 works)