Amanda Henry

UNSW Sydney | UNSW · School of Women's and Children's Health

Background and objective Hypertensive disorders of pregnancy (HDPs) affect 5%–10% of pregnancies and have been associated with excess maternal cardiovascular disease (CVD) risk. The primary aim of this study was to reliably estimate absolute and relative risks of CVD after HDP. Methods A retrospective cohort of women who had singleton pregnancies...

Background There is increased risk of hypertension, early cardiovascular disease, and premature mortality in women who have had preeclampsia. This study was undertaken to determine the upper limit of normal blood pressure (BP) 6 months postpartum and the frequency of women with prior preeclampsia who had BP above these limits, as part of the P4 (Po...

Background Hypertensive disorders of pregnancy (HDP) affect 5–10% of pregnant women. Women after HDP have 2–3 times increased risk of heart attack, stroke and diabetes, as soon as 5–10 years after pregnancy. Australian healthcare providers’ knowledge of cardiovascular disease (CVD) risks for women after HDP is unknown, and this study aimed to explo...

Background Preeclampsia is a major pregnancy complication associated with long-term maternal cardiometabolic disease. Research generally is focused on metabolic and pathophysiological changes during pregnancy, however, there is much less focus on the early postpartum period in subjects who suffered preeclampsia. The aim of this study was to (a) cha...

Background Hypertensive disorders of pregnancy have longer-term implications, increasing women’s lifetime cardiovascular disease risk. The Blood Pressure Postpartum study is a multi-centre randomised three-arm trial of interventions, ranging in intensity and including education and lifestyle coaching, to support women to maintain or adopt healthy e...

The microbiome has emerged as a key determinant of human health and reproduction, with recent evidence suggesting a dysbiotic microbiome is implicated in adverse perinatal health outcomes. The existing research has been limited by the sample collection and timing, cohort design, sample design, and lack of data on the preconception microbiome. This...

Background: Intrauterine exposure to hypertensive disorders of pregnancy, including gestational hypertension (GH) and preeclampsia (PE), may influence infant growth and have long-term health implications. This study aimed to compare growth outcomes of infants exposed to a normotensive pregnancy (NTP), GH, or PE from birth to 2 years. Methods: In...

Hypertensive disorders of pregnancy (HDP) complicate 5-10% of pregnancies, with resultant lifelong increased risks of cardiovascular disease (CVD). We aimed to describe lifestyle behaviours at 6 months post-HDP in four HDP subgroups, and their association with markers of cardiometabolic health. Subgroups were chronic hypertension (CH), gestational...

Background Migrant and refugee backgrounds women living in high-income countries have increased risk of adverse perinatal outcomes and report lower satisfaction with care. In Sydney, Australia, a new service known as the Cross Cultural Workers (CCWs) in Maternity and Child and Family Health Service (the CCW Service) was implemented to support such...

Study objective: To assess changes in biological measures of acute stress in surgeons during surgery in real world settings DESIGN: Prospective cohort study SETTING: Tertiary teaching hospital PATIENTS: 8 consultant and 9 training gynecologists INTERVENTION: 161 elective gynecological surgeries of 3 procedures: laparoscopic hysterectomy, laparosco...

Since 2010, the rates of induction have risen in Australia (from 25% to 35%) and the United Kingdom (from 20% to 32%). This may be an indication that induction has become more acceptable among women and health providers. In women with unripe cervices, mechanical methods, such as balloon catheters, and pharmacological methods, such as vaginal prosta...

Background: While a degree of stress facilitates learning and task performance, excessive stress in surgeons may lead to poor patient outcomes, with maladaptive stress as a risk factor for surgeon burnout or self-harm through mechanisms including substance abuse, and suicide. We aim to systematically review publications investigating how measures o...

Background: Hypertensive Disorders of Pregnancy (HDP) complicate 5-10% of pregnancies globally: 2-5% preeclampsia, 3% gestational hypertension, and 0.5-2% chronic hypertension. It is epidemiologically well established that adverse health effects of HDP do not end with the pregnancy: these conditions are associated with increased lifetime cardiovasc...

The experience of pain is determined by many factors and has a significant impact on quality of life. This study aimed to determine sex differences in pain prevalence and intensity reported by participants with diverse disease states in several large international clinical trials. Individual participant data meta-analysis was conducted using EuroQo...

Abstract Background Gestational Diabetes Mellitus (GDM) incidence and adverse outcomes have increased globally. The validity of the oral glucose tolerance test (OGTT) for GDM diagnosis has long been questioned, with no suitable substitute reported yet. Continuous Glucose Monitoring (CGM) is potentially a more acceptable and comprehensive test. The...

Aims The oral glucose tolerance test (OGTT), used for gestational diabetes mellitus (GDM) diagnosis for over 65 years, has poor acceptability and tolerability. Continuous glucose monitoring is being considered as potential alternative. The aim of our study was to formally assess women’s and health care professionals’ perception of both tests as dia...

Aim: To document current teaching methods, curriculum, and perceived educational preparation related to the teaching of life-limiting fetal conditions, termination, and perinatal palliative care to Australian student midwives. Background: Australian women receiving a diagnosis of a life-limiting fetal condition are generally offered a choice betwee...

Dietary intake during pregnancy may influence the antenatal microbiome, which is proposed to impact maternal and infant health during the pregnancy and beyond. The aim of this sub-study was to examine associations between dietary intake and microbiota diversity during pregnancy using whole metagenomic sequencing and examine associations in low-risk...

Background and objectives Preeclampsia is a serious multisystem blood pressure disorder during pregnancy that is associated with increased long-term risk of cardiovascular disease to the mother and offspring. We investigated the vascular health of children exposed to intrauterine preeclampsia. Materials and methods This was a cross-sectional study...

Background: Gestational Diabetes Mellitus (GDM), once thought to be fully reversed after pregnancy, is now a firmly established independent risk factor for the subsequent development of Type 2 Diabetes Mellitus (T2DM), cardiovascular disease and other chronic conditions. This provides a strong rationale to identify preventive strategies in women wi...

Background Postpartum mental disorders including depression and anxiety are common. Medical complications of pregnancy, such as preeclampsia and gestational diabetes, are thought to increase the risk of mental disorders postpartum. However, it is unclear which interventions may be effective for preventing and/or treating postpartum mental disorders...

Background Induction of labour is one of the most common obstetric interventions globally. Balloon catheters and vaginal prostaglandins are widely used to ripen the cervix in labour induction. We aimed to compare the effectiveness and safety profiles of these two induction methods. Methods We did an individual participant data meta-analysis compar...

Background: Gestational diabetes mellitus (GDM) is diabetes first diagnosed in pregnancy. GDM, together with its short- and long-term negative outcomes, is increasing in incidence all over the world. The current diagnostic method for GDM, the oral glucose tolerance test (OGTT), is dated and has been reported as inconvenient for women as well as po...

Purpose Hypertensive disorders of pregnancy (HDP) are associated with longer term postpartum cardiovascular sequelae, including double the risk of ischaemic heart disease and cardiovascular mortality (1). Transthoracic echocardiograms (TTE) were performed in women with pregnancies complicated by gestational hypertension and pre-eclampsia, or uncomp...

Introduction The COVID-19 pandemic introduced unprecedented challenges to both the physical and psychological health of postpartum women. The aim of this study was to determine how the COVID-19 pandemic affected the diet, physical activity and mental health of women 6 months following a hypertensive disorder of pregnancy. Methods Mixed methods sub...

Background Hypertensive disorders of pregnancy (HDP) affect 5-10% of pregnancies and significantly increase a woman’s risk of developing cardiovascular disease, including 2-3 times the risk of heart attack, stroke and diabetes. Long-term risks rise within 10 years after HDP and continue lifelong, making long-term health after HDP of major public he...

Background: Previous findings from research investigating the role of antenatal nutrition in preventing postpartum depression are inconsistent. Our primary aim was to investigate the association between pregnancy diet quality and postpartum depression. Secondarily, we investigated associations between i) diet quality and depression during pregnanc...

Preeclampsia is a hypertensive disorder of pregnancy with serious health implications for mother and their offspring. The uteroplacental vascular insufficiency caused by preeclampsia is associated with epigenetic and pathological changes in the mother and fetus. However, the impact of preeclampsia in infancy (birth to 2 years), a time of rapid deve...

Introduction Continuity of child and family healthcare is vital for optimal child health and development for developmentally vulnerable children. Migrant and refugee communities are often at-risk of poor health outcomes, facing barriers to health service attendance including cultural, language, limited health literacy, discrimination and unmet psyc...

Previously, we identified elevated transcripts for the gene Oleoyl-ACP Hydrolase (OLAH) in the maternal circulation of pregnancies complicated by preterm fetal growth restriction. As placental dysfunction is central to the pathogenesis of both fetal growth restriction and preeclampsia, we aimed to investigate OLAH levels and function in the human p...

Background Antenatal education aims to provide expectant parents with strategies for dealing with pregnancy, childbirth and parenthood and may have the potential to reduce obstetric intervention and fear of childbirth. We aimed to investigate antenatal education attendance, reasons for and barriers to attending, and techniques taught and used to ma...

Introduction: Australian antenatal care includes specific screening and service provision for domestic and family violence (DFV) and mental health. However, the COVID-19 pandemic resulted in major care changes, including greatly expanded telehealth. Given difficulties in a safe assessment and management of disclosures via telehealth, DFV and menta...

Background From November 2019 to January 2020, eastern Australia experienced the worst bushfires in recorded history. Two months later, Sydney and surrounds were placed into lockdown for six weeks due to the COVID-19 pandemic, followed by ongoing restrictions. Many pregnant women at this time were exposed to both the bushfires and COVID-19 restrict...

Objectives: To explore Australian healthcare providers' (HCPs') preferred content, format and access to education regarding long-term health after hypertensive disorder of pregnancy (HDP), in order to guide the development of education programmes. Design and setting: A qualitative study using a framework analysis was undertaken. Registered HCP w...

Background: Antenatal education aims to prepare expectant parents for pregnancy, birth, and parenthood. Studies have reported antenatal education teaching breathing and relaxation methods for pain relief, termed psychoprophylaxis, is associated with reduction in caesarean section rates compared with general birth and parenting classes. Given the r...

Abstract Background Established risk factors for Gestational Diabetes Mellitus (GDM) include age, ethnicity, family history of diabetes and previous GDM. Additional significant influences have recently been demonstrated in the literature. The oral glucose tolerance test (OGTT) used for GDM diagnosis has sub-optimal sensitivity and specificity, thus...

Background In 2020, Australia, like most countries, introduced restrictions related to the global pandemic of coronavirus disease 2019 (COVID-19). Frontline services in the domestic and family violence (DFV) sector had to adapt and innovate to continue supporting clients who were experiencing and/or at risk of DFV. There is a need to understand fro...

[This corrects the article DOI: 10.3389/fcimb.2022.646165.].

Background Mental health is an integral part of overall health. Mental health disorders following childbirth are common and poor maternal mental health has consequences for both the mother and her infant. Preeclampsia is also relatively common in pregnancy but there is little known about the intersection between these two important conditions. Gain...

(Abstracted from Ultrasound Obstet Gynecol 2021;58:264–277) One of the risk factors for perinatal mortality and morbidity is abnormal fetal growth. The goal of this study was to study the prediction of adverse perinatal outcomes in preterm and term babies based on 3 birth weight (BW) standards (Australian population-based, Fenton, and INTERGROWTH-2...

Objective/Hypothesis To explore potential differences in faecal microbiome between women, and their infants, who had normotensive pregnancies (NP) and those who had a hypertensive pregnancy (HP), either gestational hypertension (GH) or preeclampsia (PE). Methods This is a sub study of P4 (Postpartum Physiology, Psychology, and Paediatrics Study) a...

Proton nuclear magnetic resonance (NMR) N-acetyl signals (Glyc) from glycoproteins and supramolecular phospholipids composite peak (SPC) from phospholipid quaternary nitrogen methyls in subcompartments of lipoprotein particles) can give important systemic metabolic information, but their absolute quantification is compromised by overlap with interf...

( Aust N Z J Obstet Gynaecol . 2021;61:106–115) The decision for planned cesarean delivery (CD) is often based on the preferences and beliefs of the patient or clinician. When decision-making is shared, patient satisfaction improves. The extent to which shared decision-making (SDM) occurs in Australia is unclear. Moreover, no studies have directly...

Background Hypertensive disorders of pregnancy (HDP) affect 5–10% of pregnant women. Long-term health issues for these women include 2–3 times the risk of heart attacks, stroke and diabetes, starting within 10 years after pregnancy, making long-term health after HDP of major public health importance. Recent studies suggest this knowledge is not bei...

Nuclear Receptor Subfamily 4 Group A Member 2 (NR4A2) transcripts are elevated in the circulation of individuals whose pregnancies are complicated by preterm fetal growth restriction (FGR). In this paper, we show that the cases with preeclampsia (PE) have increased circulating NR4A2 transcripts compared to those with normotensive FGR. We aimed to e...

Background: Gestational diabetes mellitus (GDM) is glucose intolerance first recognised during pregnancy. Both modalities and thresholds of the GDM diagnostic test, the Oral Glucose Tolerance Test (OGTT), have varied widely over time and among countries. Additionally, OGTT limitations include inconsistency, poor patient tolerability, and questiona...

Objectives Hypertensive disorders of pregnancy are associated with subsequent increased risk of cardiometabolic disease. Adverse cardiometabolic measures are noted soon after hypertensive versus normotensive pregnancy (NP); to what degree these persist into a subsequent pregnancy (SP) is unknown. This study aimed to assess women’s physiology early...

Actively engaging women in decision-making about their own care is critical to providing woman-centered maternity care. The aim was to understand women's mode-of-birth preferences and shared decision-making experiences during planned cesarean birth (CB). Semi-structured telephone interviews were conducted with 33 women who had planned CB at eight A...

Background Abnormal fetal growth is a risk factor for perinatal mortality and morbidity. There is considerable debate about the choice and performance of growth charts to classify newborns as small or large for gestational age (SGA and LGA) as a proxy for the at-risk infants. Several international charts have been proposed to be adopted worldwide....

Introduction: Maternal corticosteroid administration for anticipated preterm birth is common; however, the corticosteroid effect on fetal ultrasound and cardiotocograph (CTG) remains contested. This study aimed to evaluate short-term ultrasound and CTG impact of (a) dexamethasone versus betamethasone (b) pooled corticosteroid effect. Methods: Su...

Objective: To evaluate three birthweight standards (Australian population-based, Fenton, and INTERGROWTH-21st ) and three estimated-fetal-weight [EFW] standards (Hadlock, INTERGROWTH-21st , and WHO) for classifying SGA, LGA, and predicting adverse perinatal outcomes in preterm and term babies METHODS: A nationwide population-based study was conduc...

Objectives The lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) is upregulated in the maternal vasculature in preeclampsia, and contributes to oxidative stress and endothelial dysfunction. However, its function in the placenta is unclear. This paper investigated LOX-1 expression in models of placental dysfunction and preeclampsia, an...

Plain language summary Gestational diabetes mellitus (GDM) is a common pregnancy complication affecting up to 1 in 6 pregnant women worldwide. Whilst the condition usually resolves soon after delivery, women are at high risk of developing type 2 diabetes mellitus (T2DM). In this study, we asked women living in Chengdu, a city in western China, abou...

Background Women from migrant and refugee backgrounds who live in high-income countries are at increased risk of adverse perinatal outcomes, including mental health issues, preterm birth and maternal and infant mortality. There is a need to implement and evaluate models of care to meet their specific needs in order to improve health outcomes, their...

Background How the application of evidence to planned birth practices, induction of labour (IOL) and prelabour caesarean (CS), differs between Australian maternity units remains poorly understood. Perceptions of readiness for practice change and resources to implement change in individual units are also unclear. Aim To identify inter-hospital and...

Intrauterine preeclampsia exposure affects the lifelong cardiometabolic health of the child. Our study aimed to compare the growth (from birth to 6 months) of infants exposed to either a normotensive pregnancy or preeclampsia and explore the influence of being born small for gestational age (SGA). Participants were children of women participating i...

A 26-year-old primigravid woman presented with a dichorionic diamniotic twin pregnancy after 7 years of infertility. No formal ultrasound was performed until a morphology check at 19 weeks and 4 days of gestation, at which time a shortened cervix was identified. The patient was already on vaginal progesterone pessaries from conception, as per her i...

Previously, we identified increased maternal circulating DAAM2 mRNA in pregnancies complicated by preterm fetal growth restriction (FGR). Here, we assessed whether circulating DAAM2 mRNA could detect FGR, and whether the DAAM2 gene, known to play roles in the Wnt signalling pathway is expressed in human placenta and associated with dysfunction and...

Objective: Variation in practice in relation to indications and timing for both induction of labour (IOL) and planned caesarean section (CS) clearly exists. However, the extent of this variation, and how this variation is explained by clinicians remains unclear. The aim of this study was to map the variation in IOL and planned CS at eight Australia...

Women who have had hypertension in pregnancy, both pre‐eclampsia and gestational hypertension, have a two‐ to three‐fold increased risk of cardiovascular disease later in life. It is unclear whether this is an unmasking of latent risk, the result of damage to the vascular tree during pregnancy, or both. Irrespective of the underlying pathophysiolog...

Background: The caesarean section (CS) rate is over 25% in many high-income countries, with a substantial minority of CSs occurring in women with low-risk pregnancies. CS decision-making is influenced by clinician and patient beliefs and preferences, and clinical guidelines increasingly stipulate the importance of shared decision-making (SDM). To...

Objective In many high-income countries, approximately half of all births are now planned regarding timing, either by elective Caesarean Section (CS) or induction of labour (IOL). To what degree this is explained by women's birth beliefs and preferences, and in turn, factors such as parity and ethnicity that may influence them, is contentious. With...

Background Women from migrant and refugee backgrounds who live in high-income countries are at increased risk of adverse perinatal outcomes, including mental health issues, preterm birth and maternal and infant mortality. There is a need to implement and evaluate models of care to meet their specific needs in order to improve health outcomes, their...