background: gonadotropin-releasing hormone agonists or antagonists are used in assisted reproductive technique cycles as premature luteinizing hormone secretion inhibition. studies have been reported different and contradictory results on the serum progesterone effect on intra-cytoplasmic sperm injection. objective: the purpose of this study was to evaluate the effect of serum progesterone leve...

background during the last three decades, the total fertility rate (tfr) in iran has fallen considerably; from 6.5 per woman in 1983 to 1.89 in 2010. this paper analyzes the extent to which economic determinants at the micro and macro levels are associated with the number of children in iranian households.   methods household data from the 2010 household expenditure and income survey (heis) is ...

background: intra-operative radiation therapy (iort) is the transfer of a single large radiation dose to the tumor bed during surgery with the final goal of improving regional tumor control. this study aimed to investigate the safety, effectiveness and economic evaluation of intra-operative radiation therapy.   methods : the scientific literature was searched in the main biomedical databases (c...

due to uncertain nature of wind and photovoltaic power units, the participation of this units in electricity markets is subjected to significant deviation penalties. this issue leads to despondency or even admission of these units in the competitive environment. with regard to this fact that the low deviations are available when predictions are performed in a short-term horizon and also distrib...

background: influenza outbreak has become a great lifethreateningdisease in the world. nasal vaccines can inducesystemic igg and mucosal iga antibody responses, whichestablish two layers of immune defense against the infectiouspathogens like influenza. mucosal vaccines must overcomeseveral limitations, including the mucociliary clearance andinefficient uptake of soluble antigens. therefore, nas...

Although tuberculosis of the central nervous system is well known, the incidence of intra-medullary tuberculomas is low and a combination of intra-medullary with intra-cranial tuberculomas is extremely rare. This communication reports a case of disseminated (intra-medullary, intra-cerebellar and intra-cerebral) tuberculomas in a sixyear-old girl initially presenting with a spinal tumour syndrom...

introduction intra-articular injections of platelet rich plasma (prp) for the treatment of knee osteoarthritis have been shown to reduce pain and improve joint function. the aim of this study is to examine the joint function by adding intra-articular growth hormone to platelet rich plasma. this study was performed on the individuals with knee osteoarthritis and under ultrasound guidance. conclu...

the kasian volcanic body is located in the eastern margin of the zagros thrust belt, close to the sanandaj-sirjan metamorphic zone. these volcanic rocks are mainly composed of andesite and andesite-basalt rocks with porphyritic, hypocrystalline porphyritic, hyalo-porphyritic and hyalo-microlitic porphyritic textures. analyses of the distributions of major, rare earth and trace elements reveal a...

background: intrauterine insemination (iui) is the first therapeutic step in assisted reproductive techniques and many factors, including male and female infertility and technique-dependent factors, have been reported to influence pregnancy rates after iui. methods: we carried out this retrospective study on 1201 couples undergoing 3012 intrauterine insemination cycles during 2002 to 2009. preg...

conclusions there is no statistically significant relationship between preterm delivery and type of sludge. results the prevalence of preterm delivery was 14/3%. the frequencies of term delivery in mothers with dense, light and no sludge were 78/6%, 82/1% and 96/4 % respectively, and for preterm delivery they were 21/4%, 17/9% and 3/6% respectively. but there was no statistically significant re...