This was a cross-sectional followed by cohort type of study conducted among the pregnant mothers of second trimester in the rural areas of Rajshahi district. Initially 1800 pregnant mothers of second trimester were selected from 18 unions applying 2-stage random sampling. A total of 216 pregnant mothers with asymptomatic bacteriuria were paired among the rest of the healthy pregnant mothers (without bacteriuria) on the basis of age, gravida and economic status for cohort study to relate asymptomatic bacteriuria with the incidence of symptomatic bacteriuria, hypertensive disorders in pregnancy (HDP) and pre-term delivery. The matched paired pregnant mothers were followed monthly interval up to delivery. The prevalence of asymptomatic bacteriuria was 12% among the pregnant mothers in rural Rajshahi. E.Coli was the commonest causative agent of both asymptomatic and symptomatic bacteriuria. The results of this study suggest that asymptomatic bacteriuria were more prone to develop symptomatic bacteriuria, hypertensive disorders in pregnancy and pre-term delivery than that of the healthy mothers (without bacteriuria). Screening of bacteriuria in pregnancy and proper treatment must be considered as an essential part of antenatal care in this rural community.
With the primary view to test the accuracy of the mothers reports regarding their children's immunization status, this study was carried out in the metropolitan areas of Rajshahi among the mothers of 12-23 months old children, Total 1500 mothers were included in this study as sample units by two stage cluster sampling method. In this study, child immunization card retention rate was 66.22%, Majority of the mothers reported accurately about their children's DPT (76%) and measles (85%) vaccination status. It suggests that urban mothers statements about their children' vaccination status is reliable. And in case of DPT young and educated mothers with higher family economic status and having fewer children were comparatively more reliable than others. Field workers should motivate and encourage the mothers to preserve their children's immunization cards.
This was a cross-sectional study conducted among the pregnant mothers of 2nd trimester in the metropolitan area of Rajshahi city. Total 2000 apparently healthy pregnant mothers were selected by random sampling with the view to estimate the prevalence of asymptomatic bacteriuria in apparently healthy pregnancy, its causative agents and their sensitivity pattern in the Rajshahi city. These 2000 pregnant mothers were selected from 20 wards by applying 2-stage random sampling. Two consecutive morning midstream urine samples were collected for culture and sensitivity test. The prevalence of asymptomatic bacteriuria in the rural Rajshahi was 14.5%. E.Coli was the commonest causative bacteria (94.83%). The urinary pathogens causing asymptomatic bacteriuria in pregnancy in the Rajshahi city were resistance to amoxicillin, cephalexin and cephradine, moderately sensitive to doxycycline and highly sensitive to ciprofloxacin, gentamicin, nitrofurantoin and nalidixic acid. Screening of asymptomatic bacteriuria in pregnancy must be considered as an essential part of antenatal care like routine checkup for albumin and sugar in urine in this city community.
This prospective type of study was conducted in nine rural upazilas of Rajshahi district with a view to find out the biological risk factors of low birth weight (LBW). The calculated minimum required sample size was 748. A total 900 pregnant mothers in 3rd trimester were selected by two stage cluster sampling technique for follow up. Data were collected for 822 singleton live birth successfully and analyzed. Maternal weight < 50 kgs at 3rd trimester, birth interval < 2 years and female sex of the new born were identified as the important risk factors of LBW in rural community of Rajshahi district. Sex of the newborns is genetically determined, but maternal weight < 50kgs in third trimester and birth space < 2 years can prevented by measures like proper antenatal care, health & nutritional education, effective family planning services etc.
This was a prospective study conducted in a cohort of live normal full term singleton newborns delivered in Rajshahi Medical College Hospital with the objective to explore their early neonatal health as well as the role of low birth weight on it. A total 770 live normal newborns were Included in this study. For data collection APGAR Score Estimating Checklist and one protested structured questionnaire were used. Simple descriptive as well as analytical techniques including Chi-square t test were done.The results of this study suggested that low weight (LBW) babies were more prone to develop early neonatal morbidity and mortality than normal birth weight (NBW) babies. LBW infants needed more resuscitation and responded less to resuscitative effort than the infants of NBW. Birth asphyxia was the commonest cause of early neonatal morbidity and mortality.
This was a prospective study conducted in a cohort of live normal full term singleton new-borns delivered in Rajshahi Medical College Hospital with the objective to explore their early neonatal health and as well as the role of low birth weight on it. A total 770 live normal new-borns were included in this study. For data collection APGAR Score Estimating Checklist and one pretested structured questionnaire were used. Simple descriptive as well as analytical techniques including Chi-square and t test were done.The results of this study suggested that low birth weight (LBW) babies were more prone to develop early neonatal morbidity and mortality than normal birth weight (NBW) babies. LBW infants needed more resuscitation and responded less to resuscitative effort than the infants of NBW. Birth asphyxia was the commonest cause of early neonatal morbidity and mortality.
Copper nanoparticles surface-capped by alkanethiol with long carbon chain length was prepared successfully by chemical reduction method. 1-dodecanethiol was used as the coating material for the desired smooth and protected surface. Various reaction parameters, like effect of pH, molar ratio of the reactants etc. had been tested experimentally to explore the most suitable and economical way of using the chemical reduction method. Uniform, smooth surface and spherical shaped copper nanoparticles, with particle size of about 40-60 nm had been produced successfully. Copper nanoparticles surface-capped by alkanethiol (C12S-Cu) was characterized by means of x-ray diffraction, scanning electron microscopy, Fourier transform infrared spectrometry and ultraviolet-visible spectroscopy. Uniform dispersion of copper nanoadditive in base oil using ultrasonic method was investigated. The tribological behavior of C12S-Cu as an additive for base oil was evaluated. Viscosity, pour point, and flash point of nano lubricants at different concentrations of nanoadditive (0.2, and 0.5 wt %) were evaluated. Bangladesh J. Sci. Ind. Res.54(1), 1-10, 2019
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