Journal of Arak University of Medical Sciences

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Showing 4 results for Gonad

Effects of low frequency electromagnetic fields on gonads and fertility of female Balb/c mouse

Dr Javad Baharara, Dr Kazem Parivar, Dr Shahrbanou Oryan, Dr Alireza Ashraf,
Volume 9, Issue 2 (6-2006)

Abstract

Introduction: The increasing use of EMF (electromagnetic field) generating apparatus (refrigerators, computers, TV, etc) caused an increasing interest in investigations of its adverse effects on human health. This study is done to investigate the effects of EFM on Balb/c mice.

Materials and Methods: This is an experimental study in which at first a circuit generating low frequency electromagnetic field (50 Hz, 15G) was designed. Then adult virgin female mice were placed in coil and exposed to 15 gauss electromagnetic field for 4 day and 6 hour per day. Then their blood was examined to assay the level of hormones (FSH, LH, estradiol, progesterone). Also ovary and uterus sections were studied with light & electronic microscope.

Results : Results showed that the weight and size of ovary was not significantly affected in females exposed to the low frequency electromagnetic field and their offspring. Our results also showed that the number of ovary follicles were significantly affected in exposed females (p<0.05). Also the study of micrographs showed hetrochromatinated oocytes and follicular cells and increasing polysomes, accumulation of mitochondria and cleft nucleus. Decreasing amount of FSH, LH and 50% decrease in couplation rate was also seen as compared with the control group.

Conclusion: Results of this study is indicator of EFM effects on gonads^, structure and endocrine system and decreases fertility.

The effects of exposure to simulation cell phone waves on gonads of male mouse

Javad Baharara, Alireza Ashraf, Mahmoudreza Jafari, Hoda Halalat,
Volume 10, Issue 3 (6-2007)

Abstract

Introduction: The increasing users of microwave appliances such as cell phones caused an increasing interest on investigation of its adverse effects on human health and development of animals.This study is done to investigate the effects of simulating cell phone waves on gonads and sex cells of male Balb/C mouse. Materials and Methods: This is an experimental study in which with the use of generating apparatus of simulating cell phone waves, adult male mice were exposed to cell phone waves for 10 days (4 hours per day). Then structure and ultrastructure of testes and number of sex cells were examined by light and transmission electron microscope. Data was analyzed using t and Mann Whitney testes. Results: The results did not show any significant differences in the size and weight of testes in mice exposed to the simulating cell phone waves. Results also showed that the number of spermatogonia cells and primary spermatocytes and spermatids and sperms were significantly increased in exposed mice (p<0.05), but the number of sertoli cells were significantly decreased (p<0.05). The study of micrographs showed changes in ultrastructure of sexual cells, such as cleft and hetrochromatined nucleus and decrease of cell organelles and vacuolization of cytoplasm. Conclusion: Results indicate the effect of simulating cell phone waves on number and ultrastructure of sex cell in male Balb/C mouse.

Clinical symptoms of androgen deficiency and sex hormone levels in men referring to Zanjan Blood Transfusion Organization

Elham Jafari, Sedigheh Kamali, Saeedeh Mazloomzadeh, Faranak Sharifi,
Volume 15, Issue 9 (2-2013)

Abstract

Background: Aging in men is characterized by a progressive, moderate decrease in plasma testosterone. However, the associations of partial androgen deficiency of the aging male with clinical symptoms are controversial. This study investigates the association between the androgen deficiency symptoms (based on ADAM questionnaire) and sex hormone levels in men over 40 years old. Materials and Methods: This cross-sectional study was carried out on 171 healthy men over 40 years old. Demographic data and ADAM questionnaire were completed by each patient. Also, serum levels of free testosterone, estradiol, LH, and FSH were determined using the ELISA method. The data was analyzed by Chi-squared, Mann-whitney U test and Logistic Regression Test. Results: Based on ADAM questionnaire, 85 patients (49.7%) had androgen deficiency symptoms, and there was a significant relationship between these symptoms and age. However there was no significant correlation between the total score of the questionnaire with sex hormones, and only sexual symptoms were significantly associated with low testosterone levels. Conclusion: It seems that the clinical symptoms of androgen deficiency cannot precisely predict the levels of sex hormones in elderly men. Nevertheless, hypogonadism diagnosis can be clinically suspected when symptoms of sexual dysfunction are present

Transvaginal Ultrasound Compared with Serum β-hCG Level for Diagnosis of Ectopic Pregnancy in Symptomatic Patients

Fatemeh Ghatreh Samani, Ali Nourian, Laya Farzadi,
Volume 20, Issue 10 (1-2018)

Abstract

Abstract
Background: Ultrasonography (US) is the most important imaging modality in detecting both intrauterine and ectopic pregnancies. This study aimed to compare serum β-hCG level with Transvaginal Ultrasound in symptomatic patients with ectopic pregnancy.
Materials and Methods: A total of 210 patients with definite diagnosis of ectopic pregnancy were enrolled prospectively. All patients underwent transvaginal US by an experienced radiologist who was blind to the final status of the patient. Serum levels of β-hCG and the time gap between US examination and last menstrual period (LMP) were compared between patients with positive and negative US findings.
Results: US were positive in 194 patients (92.4%) and negative in the remaining 16 patients (7.6%). The two groups were similar in terms of age (median, 31 years vs. 30.5 years, respectively; p=0.57). Both the median time gap between US and LMP (median, 43 days vs. 34 days, p=0.03) and serum level of β-hCG (median, 1027 mIU/ml vs. 172.5 mIU/ml, p<0.001) were significantly higher in patients with positive US findings. Both differences were independent of each other in multivariate analysis. The best discriminative zone was set at a serum β-hCG level of 326 mIU/ml with a sensitivity and specificity of 86.6% and 87.5%, respectively.
Conclusion: According to our findings, both the median serum level of β-hCG and time gap between US and LMP in patients with missed diagnosis of ectopic pregnancy were significantly lower in comparison with correct diagnosis and proposed discriminative zone for serum level of β-hCG in our study is different from the previous studies though further studies are recommended especially in symptomatic patients with suspected ectopic pregnancy.

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