introduction: the majoritiy of abortion risk factors has been classified as environmental and vary from one place to another. this study aimed to explore the relationship between exposure to pesticides and spontaneous abortion among female pistachio farmers in rafsanjan, iran.   materials and methods: in this case-control study, 50 women with spontaneous abortion and 50 women without this histo...

background: spontaneous ovarian hyperstimulation syndrome rarely occurs during pregnancy and is usually associated with high levels of human chorionic gonadotropin, in conditions such as molar or multifetal pregnancies. case report: here we report spontaneous ovarian hyperstimulation in a patient presenting with missed abortion at 16th week of gestation, when serum ß-subunit human chorionic gon...

human parvovirus b19 is a very common viral infection especially in school-aged children. the infection during pregnancy can affect the fetus due to lack of mother's immunity. although, there is still no evidence of fetal teratogenic effects with parvovirus b19, but non-immune fetal hydrops and abortion may be caused by vertical transmission of the virus during pregnancy. this study was aimed t...

background: exposure to extremely low frequency electromagnetic fields is increasingly common, but the potential influence on pregnant women has not been thoroughly investigated. methods: in this case-control study, 58 women who had an unexplained spontaneous abortion at < 14 weeks gestation and 58 matched pregnant women >14 weeks gestation were enrolled in 2012. the women completed the questio...

Background: Varicocele is related with poor semen quality and sperm chromatin integrity which possibility decreases the spontaneous pregnancy potential. Some of the varicocele individuals have normal semen parameters with failed pregnancy. It is also one of the most controversial issues in the field ofinfertility, especially regarding why, when and for whom varicocelectomy should be implemented...

ureaplasma urealyticum can colonize women genital tract and be isolated from the amniotic fluid of women with adverse pregnancy outcomes. the association of u. urealyticum with spontaneous abortion remains controversial. the aim of this study was to evaluate the frequency of u. urealyticum infection among pregnant women and its association with spontaneous abortion.in this case-control study we...