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Publications (31)
Abstract Background Micronutrient malnutrition has been associated with maternal depressive symptoms (MDS), but little is known about the effects of preconceptional micronutrient supplementation. This paper examined the effects of preconceptional micronutrient supplementation on MDS during pregnancy and postpartum. Methods We used data from a doubl...
Background
Poor adherence to micronutrient supplementation often limits the effectiveness of public health programs. While predictors of adherence to micronutrient supplementation during pregnancy are well documented, information on adherence to preconception supplements is scarce. The objective of this study was to describe the predictors of adher...
Objective
To examine the importance of timing of gestational weight gain during three time periods: 1: ≤ 20 weeks gestation), 2: 21–29 weeks) and 3: ≥ 30 weeks) on fetal growth and infant birth size.
Methods
Study uses secondary data from the PRECONCEPT randomized controlled trial in Thai Nguyen province, Vietnam (n = 1436). Prospective data were...
Vietnam Dataset_anonymized.xlsx Vietnam datasest.
(XLSX)
Background
Accurate estimation of gestational age is important for both clinical and public health purposes. Estimates of gestational age using fetal ultrasound measurements are considered most accurate but are frequently unavailable in low- and middle-income countries. The objective of this study was to assess the validity of last menstrual period...
Background:
Maternal nutritional status before and during early pregnancy plays a critical role in fetal growth and development. The benefits of periconception folic acid (FA) supplementation in the prevention of neural tube defects is well recognized, but the evidence for preconception micronutrient interventions for improving pregnancy outcomes...
Maternal anthropometry are known to influence birth weight, but there is a paucity of information on the relationships between maternal nutritional status and fetal growth during pregnancy. This study aimed to examine the influence of maternal nutritional status before and during pregnancy on fetal size during early (14–20 weeks), mid (20–30 weeks)...
Early childhood development plays a key role in a child's future health, educational success, and economic status. However, suboptimal early development remains a global challenge despite recommended interventions that combine stimulation, nutrition, and health programs. This study assesses the role of intra‐uterine growth retardation, child nutrit...
While studies have examined the impact of total gestational weight gain on adverse infant birth outcomes, we lack an understanding of the relative importance of specific timing of weight gain. This information would be valuable for targeting interventions and informing counseling messages for women. Our objective was to examine the importance of ti...
Early childhood growth faltering is a major public health problem associated with negative short‐and long‐term health and development outcomes. The use of ultrasound technology (US) represents an opportunity for early detection and intervention. The objective of this analysis was to assess if US measurements performed during the second and third tr...
Background:
Small for gestational age (SGA) is a global health problem. Identifying the timing of fetal growth faltering is critical for developing preventive interventions. We aim to describe patterns of fetal growth and to predict SGA at birth using fetal ultrasound measurements.
Methods:
We studied 1412 pregnant women enrolled in a randomised...
Micronutrient malnutrition has been associated with maternal depressive symptoms (MDS), but little is known about the effects of pre‐conceptual micronutrient supplementation. We examined the effects of pre‐conceptual micronutrient supplementation on MDS during pregnancy and postpartum using data from a double‐blind controlled trial (PRECONCEPT) in...
Optimal breastfeeding (BF) has been shown to improve child morbidity and mortality. However, few population‐based prospective studies have evaluated relationships of BF practices with child development. This study examines the effects of BF practices on child cognitive, language and motor development, using data from the randomized controlled trial...
We examined predictors of adherence to preconception and prenatal micronutrient supplementation, using data from a randomized controlled trial in rural Vietnam. 5011 women of reproductive age were randomized to receive weekly PRECONCEPT supplements containing either: Folic Acid, Iron and Folic Acid (IFA), or Multiple Micronutrients. Women who becam...
Small‐for‐gestational age (SGA) is a global public health concern with important short‐ and long‐ term consequences. Identifying the timing of growth faltering is critical for the prevention of SGA. This study aims to examine patterns of fetal growth and the use of ultrasound measurements in predicting SGA at birth. We used ultrasound and birth dat...
Background/objectives:
Anemia is a significant public health concern, especially among women and young children. An improved understanding of the complex etiology of anemia is crucial for developing appropriate prevention strategies. This paper examines the determinants of anemia in a large sample of Vietnamese women of reproductive age (WRA).
Me...
Mid-upper-arm circumference (MUAC) and calf circumference (CC) are correlated with body mass index (BMI) in adults and may be useful for screening women with underweight (BMI < 18.5 kg/m2). However, there is no consensus on appropriate MUAC and CC cutoff points in diverse populations, especially in women of reproductive age.
To assess the accuracy...
Maternal and child undernutrition remains an important public health problem. The objective of this research is to examine the relative influence of maternal prepregnancy weight (PPW) and gestational weight gain (GWG) on birth size for 971 singleton live births born to women who participated in a pre‐conceptional micronutrient supplementation trial...
We used baseline data from the PRECONCEPT study (a preconceptual micronutrient trial) to examine associations between vitamin D intake and anemia (hemoglobin < 12 g/dL) in 4961 Vietnamese women of reproductive age.
Nutrient intake was estimated using a semi‐quantitative food frequency questionnaire and Vietnamese food composition tables. Linear and...
We examined the determinants of anemia using data obtained at baseline from 4986 women of reproductive age participating in a micronutrient supplementation trial in rural, North Vietnam. Hemoglobin (Hb) was measured from capillary blood samples using Hemocue. Plasma ferritin and retinol binding protein (RBP) were measured using the ELISA method. Th...
The negative impact of anemia during pregnancy on birth outcomes is known, but few have examined the relative contribution of anemia prior to conception. We analyzed data on preconception anemia (PA) and birth outcomes collected prospectively from 946 mother‐infant pairs participating in a micronutrient supplementation trial in Vietnam. We used gen...
Micronutrient deficiencies are a public health concern worldwide negatively affecting maternal and child health outcomes. The primary underlying causes of micronutrient deficiencies are insufficient intake and poor bioavailability of micronutrients. However, reliable data on micronutrient intakes are sparse. The objectives of this study were to ide...
Background and objectives: Adequate nutrient intakes among women of reproductive age (WRA) are important determinants of maternal, neonatal and child health outcomes. However, data on dietary intake for WRA in Vietnam are lacking. This paper aimed to examine the adequacy and determinants of energy and macronutrient intakes among WRA enrolled in a s...
Micronutrient deficiencies are a public health concern in Vietnam negatively affecting maternal and child health outcomes. However, information on micronutrient intake among women of reproductive age (WRA) is lacking. Data from a survey of 5011 WRA participating in preconceptional micronutrient supplementation trial (PRECONCEPT) in Thai Nguyen prov...
Women's nutrition before and during pregnancy is an important determinant of maternal, neonatal and child health outcomes. We examined the adequacy and determinants of energy and macronutrient nutrient intakes of 5011 women of reproductive age (WRA) who have been enrolled in a study of preconceptual micronutrient supplementation (PRECONCEPT) being...
Little is known about ethnic differences in body size and composition among minority groups in Vietnam. We used data from an ongoing study (PRECONCEPT) of women of reproductive age (WRA) in Thái Nguyên province, Vietnam to 1) compare selected anthropometric measures and body composition indices across ethnic groups; and 2) evaluate cutoff points fo...
Background:
Gender-based violence (GBV) has profound adverse consequences on women's physical, mental, and reproductive health. Although Vietnam has high rates of induced abortion and GBV, literature examining this relationship is lacking.
Objective:
This study examines the association of GBV with induced abortion among married or partnered wome...
Background:
Low birth weight and maternal anemia remain intractable problems in many developing countries. The adequacy of the current strategy of providing iron-folic acid (IFA) supplements only during pregnancy has been questioned given many women enter pregnancy with poor iron stores, the substantial micronutrient demand by maternal and fetal t...
