background: in recent years, the high likelihood of the implantation of transferred embryos has led to an increase in the number of multiple pregnancies and consequently an increased risk of complications in fetuses and mothers. since the aim of infertility treatment is the birth of a healthy child while preserving the mother’s health, therefore, attempts should be made to avoid multiple pregna...

hla-g is a tolerogenic molecule that expresses in cytotrophoblast cells and plays an important role in immune response suppression in maternal decidua. interactions between the extracellular domains of the hla-g protein with cell receptors of the immune system are well-known.this  study  investigated  the  association  between  hla-g  gene  polymorphism  with repeated implantation failure (rif)...

abstract background: worldwide, infertility affects 10%-15% of couples and most of them seek medical help including assisted reproductive technology (art) treatments. undergoing art treatments create many physical and emotional burdens. this study examined the psychological consequences of infertility in iranian infertile males and females as well as their spouses, unlike previous studies that ...

background: based on classical two-cell, two-gonadotropin theory, in the follicle, follicle-stimulating hormone (fsh) and luteinizing hormone (lh) put on their main effects on the granulosa and theca cells. lh is essential for androgens production. androgens are used for estradiol production by granulosa cells. profound suppression of lh concentrations in some normogonadotropic patients can cau...

background: nowadays artificially assisted reproductive techniques are used to cure infertility. these methods are highly expensive, time-consuming and have low success rates which are usually around 20-40%. one of the best alternate methods for infertility treatment that can be considered is adoption that often decreases the treatment costs and the psychological impact within an infertile coup...

diminished ovarian reserve (dor) significantly decreases the success rate of the assisted reproductive technique (art). in this study, we assessed the effect of melatonin on the art outcomes in women with dor. a double-blinded, randomized, clinical trial was performed on 80 women with dor as a pilot study in shiraz, between 2014 and 2015. dor was defined as the presence of 2 of the following 3 ...

background: spontaneous occurrences of multifetal pregnancies always have been a medical problem. the risks of perinatal morbidity and mortality and maternal morbidity increase with enhancement of the number of fetuses. in our prospective experimental study, the outcome of twin pregnancy after assisted reproductive technologies (art) with and without multifetal pregnancy reduction (mfpr) is com...

background: improvement of assisted reproductive technique (art) results in higher pregnancy rates from positive beta hcg to take home baby statistics. despite developments in culture media allowing blastocyst stage transfer, some centers apply second, third and sometimes fourth day post injection for embryo transfer. this study aimed to compare their reproductive outcomes.   methods : this pro...

Various assisted reproductive techniques have been developed and refined to obtain a large number of offspring from genetically superior animals or obtain offspring from infertile (or subfertile) animals. The embryo transfer is one assisted reproductive technique developed well, aimed at increased productivity of selected females, disease control, importation and exportation of livestock, rapid...