نتایج جستجو برای: fetal dose
تعداد نتایج: 394214 فیلتر نتایج به سال:
Background: Induced abortion is the medical or surgical termination of pregnancy before fetal viability. It has maternal or fetal indications. The aim of the present study was to evaluate the efficacy of the combination of methotrexate and misoprostol for termination of the pregnancy in the first trimester. Methods: This analytic study was performed on 100 women at the first trimester of pregna...
Methomyl is an oxime carbamate pesticide that is widely used in the Philippines. This insecticide is known to be an endocrine disrupting chemical and a potent genotoxic in mammalian cells. However, limited studies were conducted specifically on its direct effects on estrous cycle and its teratogenic effect. This study aimed to (a) assess the effect of methomyl on the body weight and on the estr...
BACKGROUND Endocrine-disrupting effects of phthalates are understood primarily from in utero exposures within the fetal rat testis. Nevertheless, their path of action, dose-response character, and cellular target(s) within the fetal testis are not known. OBJECTIVES In this study we investigated the effects of di-(2-ethylhexyl) phthalate (DEHP), mono-(2-ethylhexyl) phthalate (MEHP), and severa...
Introduction: Radioactive materials deliver internal radiation dose to patients in nuclear medicine. Manual internal radiation dose assessment is a complicated method. Introduction of a simple dose calculation software is the main goal of the present study. Methods: Using the best current data in internal dose calculation (S-Factors) recommended by ICRP and by cons...
background this study compared the health outcomes of abortion by vaginal misoprostol tablets and suction curettage in the first trimester of pregnancy. material and methods in this study, 220 pregnant women (under 14 week’s gestational age) who candidate for termination of pregnancy (due to fetal or maternal reasons) were divided into the treatment and surgery groups. in the medical abortion g...
BACKGROUND Our goals were to describe azithromycin (AZI) pharmacokinetics in maternal plasma (MP), fetal plasma (FP), and amniotic fluid (AF) following intra-amniotic infection (IAI) with Ureaplasma in pregnant rhesus monkeys and to explore concentration-response relationships. METHODS Following intra-amniotic inoculation of Ureaplasma parvum, rhesus monkeys received AZI (12.5 mg/kg every 12 ...
We compared the effects of a single acute dose, or chronic fetal exposure, to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on the male reproductive system of the Wistar(Han) rat. Tissue samples were taken from dams on gestation day (GD)16 and GD21, and from offspring on postnatal days (PND)70 and 120. Steady-state concentration of TCDD was demonstrated in the chronic study: body burdens were comp...
OBJECTIVE To examine whether the concentrations of maternal serum TSH and free thyroxine (fT4) through pregnancy, the presence of thyroid autoimmunity (TAI) or the dose of levo-thyroxine (LT4) replacement can predict the occurrence of maternal or fetal/neonatal complications in pregnant women treated for maternal hypothyroidism. DESIGN The study included 92 women with singleton pregnancies an...
پایان نامه حاضر در مورد امکان سنجی استفاده از مدلسازی آماری مبـتنی برbmd جهت برآورد حجم بحرانی خونریزی درایجاد مقادیر معینی از خطر مرگ ناشی از خونــریزی مــغزی غیرتروماتیک(خود به خودی) می باشد. روشbmd در رابطه با مقدار دوز یا حجم بحرانی یک وضعیت از پیش تعیین شده برای بدست آوردن بهترین پاسخ جهت ارزیابی خطرات سلامتی و بهداشتی و همچنین برآورد مقدار یا حجم بحرانی دوز می باشد. روشbmd یک روش جایگزین...
Abstract Study question Can the plasticizer diisopentyl phthalate (DiPeP) disrupt testosterone biosynthesis and alter fetal rat testis histology similarly to other common toxic phthalates? Summary answer DiPeP can dose-dependently suppress mRNA levels of steroidogenic genes induce multinucleated gonocytes in testis, resembling effects phthalates. What is known already an uncommon phthalate, who...
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