A customised fetal growth and birthweight standard for Qatar: a population-based cohort study.

Objectives: Customized birthweight centiles have improved the detection of small for gestational age (SGA) and large for gestational age (LGA) babies compared to existing population standards. This study used perinatal registry data to derive coefficients for developing customized growth charts for Qatar.

Methods: The PEARL registry data on women delivering in Qatar (2017-2018) was used to develop a multivariable linear regression model predicting optimal birthweight.

Impact of bariatric surgery on maternal gestational weight gain and pregnancy outcomes in women with obesity: A population-based cohort study from Qatar.

Background: Bariatric surgery is performed in obese women of reproductive age to help achieve a healthy prepregnancy weight to reduce the complications associated with obesity in pregnancy. However, these procedures can impact maternal nutrition and gestational weight gain (GWG). This study evaluates the maternal and neonatal outcomes in women with prepregnancy bariatric surgery and determines the impact on GWG.

Maternal and neonatal outcomes associated with multiple repeat cesarean deliveries: A registry-based study from Qatar.

Background: Cesarean delivery (CD) is associated with increased maternal and neonatal morbidity compared to vaginal delivery, particularly in cases classified as emergency procedures or when there are multiple CDs. This retrospective cohort study aims to examine the incidence of maternal and neonatal complications in women with multiple CDs.

Methods: This study used data from a national perinatal database obtained from a single tertiary maternity care hospital.

Perinatal outcomes in women with class IV obesity compared to women in the normal or overweight body mass index categories: A population-based cohort study in Qatar.

Background: The prevalence of childhood and adult obesity is rising exponentially worldwide. Class IV obesity (body mass index, BMI ≥50 kg/m) is associated with a higher risk of adverse perinatal outcomes. This study compared these outcomes between women with class IV obesity and women in the normal or overweight categories during pregnancy.

Maternal Body Mass Index and Recommended Gestational Weight Gain in a Middle Eastern Setting.

Objective: Maternal body mass index (BMI) and gestational weight gain (GWG) are modifiable risk factors that influence pregnancy outcomes. We examined the association between the two factors in pregnant women in Qatar with regard to the GWG recommendations by the Institute of Medicine (IOM) in 2009.

Methods: We performed a population-based retrospective cohort analysis of 3547 singleton births, using routinely collected data from a Middle Eastern hospital database.

Review of socioeconomic risk factors for cesarean births: a population-based study.

Objectives: The reasons for increased cesarean section (CS) rates are complex and multifactorial. The goal of this study was to look at different social and economic factors that might be causing more cases of CS in the population.

Study Design: A retrospective population-based cohort study.

Socioeconomic risk factors for low birth weight newborns: A population-based study.

Unlabelled: Low birth weight (LBW) is an important indicator of maternal health and poverty. This study explored the socioeconomic factors associated with LBW.

Methods: Data was collected from a 4-year maternal-newborn registry.

Prevalence, predictors, and outcomes of major congenital anomalies: A population-based register study.

Congenital anomalies (CAs) are a leading cause of morbidity and mortality in early life. We aimed to assess the incidence, risk factors, and outcomes of major CAs in the State of Qatar. A population-based retrospective data analysis of registry data retrieved from the Perinatal Neonatal Outcomes Research Study in the Arabian Gulf (PEARL-Peristat Study) between April 2017 and March 2018.

Perinatal outcomes of intrahepatic cholestasis of pregnancy from two birth cohorts: A population-based study.

Background: Intrahepatic cholestasis of pregnancy (ICP) is a complex liver disease with varying incidence worldwide. We compared ICP incidence and pregnancy outcomes with outcomes for normal pregnant controls.

Methods: We conducted a retrospective data analysis of perinatal registry data for the years 2011 and 2017 to compare the following outcome measures: stillbirths, labour induction, gestational diabetes, pre-eclampsia, antepartum haemorrhage, postpartum haemorrhage, preterm births, low Apgar score, acute neonatal respiratory morbidity, meconium aspiration and in-hospital neonatal death.

A novel pilot animal model for bone augmentation using osseous shell technique for preclinical in vivo studies.

Objectives: Bone grafting is commonly used to reconstruct skeletal defects in the craniofacial region. Several bone augmentation models have been developed to evaluate bone formation using novel bone substitute materials. The aim of this study was to evaluate a surgical animal model for establishing a three-dimensional (3D) grafting environment in the animal's mandibular ramus for bone augmentation using the osseous shell technique, as in humans.

Incidence, risk factors, and feto-maternal outcomes of inappropriate birth weight for gestational age among singleton live births in Qatar: A population-based study.

Background: Abnormal fetal growth can be associated with factors during pregnancy and at postpartum.

Objective: In this study, we aimed to assess the incidence, risk factors, and feto-maternal outcomes associated with small-for-gestational age (SGA) and large-for-gestational age (LGA) infants.

Methods: We performed a population-based retrospective study on 14,641 singleton live births registered in the PEARL-Peristat Study between April 2017 and March 2018 in Qatar.

Pre-eclampsia: incidence, determinants, and pregnancy outcomes from maternity hospitals in Qatar: a population-based case-control study.

Background: We aimed to study the maternal characteristics and obstetric and neonatal outcomes in pregnant mothers with pre-eclampsia (PE) compared to normotensive.

Methods: This was a population-based retrospective data analysis. Data were obtained from the PEARL-Peristat Study perinatal registry (Perinatal Neonatal Outcomes Research Study in the Arabian Gulf) Qatar.

Incidence, Risk Factors, and Outcomes of Preterm and Early Term Births: A Population-Based Register Study.

Preterm birth (PTB) and early term birth (ETB) are associated with high risks of perinatal mortality and morbidity. While extreme to very PTBs have been extensively studied, studies on infants born at later stages of pregnancy, particularly late PTBs and ETBs, are lacking. In this study, we aimed to assess the incidence, risk factors, and feto-maternal outcomes of PTB and ETB births in Qatar.

The neonatal respiratory morbidity associated with early term caesarean section - an emerging pandemic.

Objectives: To examine the impact of early term caesarean section (CS) on respiratory morbidity and early neonatal outcomes when elective caesarean section was carried out before 39 completed weeks gestation in our population.

Methods: A one-year population-based retrospective cohort analysis using routinely collected hospital data. Livebirths from women who had elective lower segment cesarean section (ELSCS) for uncomplicated singleton pregnancies at early term (ET) 37+0 to 38+6 weeks were compared to full term (FT)≥39+0 weeks gestation.

Antenatal corticosteroids and short-term neonatal outcomes in term and near-term infants of diabetic mothers. Analysis of the Qatar PEARL-peristat registry.

Objectives: A recent discussion surrounding the extension of antenatal corticosteroid (ACS) use beyond 34 weeks of gestation did not include the subgroup of infants of diabetic mothers (IDM). We aimed to examine the association between ACS exposure and outcomes in neonates born at term and at near-term gestation in a large cohort of IDMs.

Methods: We selected 13976 eligible near-term and term infants who were included in the PEARL-Peristat Perinatal Registry Study (PPS).

Maternal characteristics and pregnancy outcomes of women with chronic hypertension: a population-based study.

Background We aimed to study the maternal characteristics and obstetric and neonatal outcomes in pregnant mothers with chronic hypertension (CHTN) compared to non-CHTN. Methods The study was a population-based cohort study, and a PEARL-Peristat Study (PPS) for the year of 2017. There were 20,210 total births including 19,762 singleton and 448 multiple births.

Selection criteria for resuscitation and survivability rates for neonates at the limit of viability.

Aim: To evaluate outcomes of a cohort of infants born at 23 weeks' gestational age after introducing a new selection score for resuscitation in the delivery room (DR).

Methods: This was a retrospective charts review study using data from the maternal and newborn registry funded by the Qatar National Research Fund. Parents were consulted prenatally and their wishes were honored.

The effect of different forms of dysglycemia during pregnancy on maternal and fetal outcomes in treated women and comparison with large cohort studies.

Aims Of The Study: We describe the impact of different forms of dysglycemia on maternal and neonatal health. This research is a part of the PEARL-Peristat Maternal and newborn registry, funded by Qatar National Research Fund (QNRF) Doha, Qatar.

Methods: A population-based retrospective data analysis of 12,255 women with singleton pregnancies screened during the year 2016-2017, of which 3,027 women were identified with gestation diabetes mellitus (GDM) during pregnancy and 233 were diabetic before pregnancy.

Finasteride use during pregnancy and early neonatal outcome: a case report.

The use of antiandrogen drugs such as finasteride during pregnancy may carry the risk of birth defects, especially hypospadias. We report a 39-year-old woman, with 5 weeks unplanned pregnancy, the patient conceived while receiving daily dose of finasteride 2.5 mg for treatment of alopecia.

Anencephaly and obstetric outcome beyond the age of viability.

Objective To review the obstetric impact and natural history of anencephalic pregnancies beyond the age of viability. Study design A retrospective chart review of all cases with a prenatal diagnosis of anencephaly who delivered after 24 weeks' gestation during the period 1990 until 2016. Obstetric outcomes including mode of delivery, live births, shoulder dystocia, antepartum haemorrhage (APH), postpartum haemorrhage (PPH) and uterine rupture were studied.

Third trimester ultrasound accuracy and delivery outcome in obese and morbid obese pregnant women.

Objective: Several studies have highlighted the negative impact of maternal obesity on ultrasound accuracy for fetal weight estimation (EFW). However, the evidence is conflicting. We aimed in our study to find if the ultrasound accuracy for EFW would differ or decrease in obese and morbid obesity classes.

The Accuracy of Estimating Fetal Weight and Inter-Twin Weight Discordance by Ultrasound in Twin Pregnancies in Women With Increased Body Mass Index.

Objectives: The purpose of this study was to determine whether increased maternal pre-pregnancy BMI decreases the ultrasound accuracy of fetal weight estimation and inter-twin weight discordance in twin pregnancies compared with women with normal BMI.

Methods: We conducted a retrospective cohort study of women with a known pre-pregnancy or early pregnancy BMI who delivered a viable twin pregnancy after 28 weeks' gestation between 2008 and 2011, and who had an ultrasound examination for fetal weight estimation within two weeks of delivery. The sonographically estimated fetal weight (EFW) was compared with the actual weight for each twin, and inter-twin weight discordance (defined as a weight difference between twins of more than 25%) was stratified for the patient's BMI.

Maternal pre-gravid body mass index and obstetric outcomes in twin gestations.

Objective: The aim of this study is to evaluate the impact of maternal pre-gravid and/or first trimester overweight and obesity, and the adverse obstetrics outcome in twin pregnancies.

Study Design: This is a retrospective study of women who delivered viable twins after 23 weeks of gestation with available prepregnancy body mass index (BMI) and/or were at their earliest visit during the first trimester of pregnancy in the period 2007-2011. The patients were divided into four subgroups according to their BMI (underweight, normal weight, overweight and obese) according to the WHO classification and their outcomes were compared.