background: to explore a possible rela!onship among blood groups and the prognosis of breast cancer, this case- control study was carried out in arak city, arak province, iran. materials and methods: one hundred and thirty four pa!ents with breast cancer were inves!gated. abo blood groups were obtained from medical records. mul!variate analyses were performed, including size of tumor, axillary ...

background: about 8 percent of all cancers in human population are related to leukemia and it is one of the most common malignancies in children. the aim of this study was to compare the prevalence of age, gender and blood group types with the frequency of leukemia among the children with leukemia in qazvin province during the 2006 to 2016. m aterials and methods: this was a cross-sectional ana...

background: transfusion is the mainstay treatment of patients with thalassemia major and occasionally in thalassemia intermediate. alloimmunization is an unwanted side effect of blood transfusion. the present study intended to determine the frequency of alloimmunization in patients with β- thalassemia major and thalassemia intermediate in southwest iran. patients and methods: this was a cross-s...

many biological factors affect radiosensitivity. in this study, radiosensitivity among the different blood groups was investigated. peripheral blood sample of 95 healthy people were divided into two parts. one part was irradiated with 2 gy co-60 gamma rays and the second one was considered as control. then all the samples were studied by cytokinesis-blocked micronucleus assay (cbmn assay). our ...

background : this study was designed to investigate whether there was an association between abo blood groups and car­diovascular risk factors in healthy population. methods : in this cross-sectional study, risk factors screening for cardiovascular disease(cvd) on 5000 healthy persons of go­lestan province, northern iran, in 2005 was estimated by a questionnaire that included age, sex, physical...

Background: ABO blood group antigens may play a role in the pathophysiology of certain diseases. Several studies have investigated the relation between blood group and autoimmune disorders. In this research, we evaluated the associations between ABO blood types and rhesus (Rh) factor in pemphigus patients.Methods: In this case-control, hospital-based study, we evaluated the prevalence of blood ...

conclusions there is not any significant association between mode of delivery and occurrence of ecc, despite the positive association between occurrence of ecc and gender. results analysis of the data demonstrated a statistically significant relationship between gender and occurrence of ecc, but no statistically significant relationship between mode of delivery and occurrence of ecc, as well as...

background several factors may cause infertility and fetal loss. blood groups antigens seem to be implied in the mechanisms of infertility and fetal loss. maternal natural antibody can react against father’s blood group antigens on spermatozoa. the effects of parental blood group system on infertility and fetal surveillance perceived by its manifestation in prezygotic (caused infertility) and p...

introduction: the history of studies on blood groups dates back to early 20th century. studies have demonstrated that certain blood groups dictate tendencies toward physical or psychiatric illnesses. the present study aimed to find out the frequency of abo and rh blood groups in obsessive-compulsive disorder. methods: in this survey, descriptive study with convenient samples, male/female patien...