Active clinical trials for "Infertility"

Background of the study: Hysterosalpingography (HSG) is widely used for the female infertility workup. Many studies have demonstrated that the use of oil-soluble contrast medium (OSCM) ethiodized oil for HSG surgery can improve pregnancy rates. However,The 24-hour delayed radiographs of OSCM HSG also brought some inconvenience to the patients , for example, patients need to make two trips to the hospital. Objective of the study: The purpose of this study was to compare OSCM HSGs using 4-hour and 24-hour delayed radiographs in terms of diagnosing tubal patency and identifying the presence of pelvic adhesions. Study design: Prospective, open label, self - controlled study Study population: Infertile patients scheduled for an OSCM HSG

25 to 50% of endometriotic patients are infertile and use medically assisted procreation. In general, the assessment of pain in medically assisted procreation is very little studied. Pain assessment studies in endometriotic patients remain limited to a quantitative assessment of pain symptomatology, without contextualization of painful manifestations. The primary objective of our study is the qualitative and contextualized assessment of pain during In Vitro Fertilization (IVF) protocol in endometriotic and non-endometriotic patients. The secondary objectives of our study are the quantitative study of pain, the measurement of the impact of personal efficiency on painful symptomatology, evaluation of depression, the results of IVF (implantation, pregnancy and live birth rates), and compare pain between endometriotic or non-endometriotic patients and between primary infertility and secondary infertility. According to the results obtained in this study, therapeutic strategies for the management of pain could be proposed, with the aim of improving the quality of life and the results of IVF in these patients.

The impact evaluation of ovarian hyperstimulation on coagulation and fibrinolysis in infertile women. Comparative analysis between different ovarian stimulation protocols on thrombin formation and efficiency of fibrinolysis in women diagnosed with infertility.

The purpose of this study is to determine the effect of giving cabergoline to patients at risk of OHSS (ovarian hyperstimulation syndrome) after ovum pick up, on endometrial vascularity and it's effect on pregnancy outcome

Factors affecting the success of the treatment of infertility can evaluate before and after embryo transfer in two stages. Most of the patients reach the embryo transfer stage. Unfortunately, the investigators are able to intervene very few of the factors that will affect the success of the post-transfer. All factors and treatments that affect the implantation is vital to identify. Basically, healthy vasculature is essential for a successful implantation. The investigators will try to understand relationship between vascular resistance and type of infertility. The investigators will examine whether the effect of the ovarian uterine and spiral artery resistance over infertility.

Today, it is evident that vitamin D has more widespread effects than the classical actions related to bone mineralization and calcium homeostasis. Vitamin D deficiency results in impaired reproductive performance in various species of animals, and recently the investigators have shown that the Vitamin D receptor (VDR), activating (CYP2R1, CYP27A1, CYP27B1) and inactivating (CYP24A1) enzymes are expressed in the human testis, epididymis, seminal vesicle, prostate and spermatozoa. Functional studies showed that activated vitamin D increases intracellular calcium and sperm motility in mature spermatozoa, and hence may be important not only for spermatogenesis but also for sperm function. Any test that might assist in guiding the treatment of the infertile couple would be beneficial both for most infertile couples and the society in general. The fact that vitamin D may play a role for human semen quality are now being tested clinically. If vitamin D supplementation proves efficient this opens for the first time for a causal, safe and cheap treatment of at least some cases of "idiopathic" impaired semen quality. This may also have consequences in the in vitro setting as activated vitamin D may be used to select high quality sperm during assisted reproductive techniques. The presence of the vitamin D receptor and vitamin D metabolizing enzyme CYP24A1 in particular is able to discriminate spermatozoa from normal and infertile men. CYP24A1 is expressed at the annulus of normal sperm, but it is virtually absent from spermatozoa from infertile men. This indicates that CYP24A1 expression may assist in predicting the chance of success by using insemination (IUI), IVF or ICSI. CYP24A1 expression is induced by activated vitamin D, which indicates that other VDR activated genes also may serve as positive predictive markers of fertility. In addition, vitamin D metabolites and other factors in the female reproductive tract will be measured to determine if they alone or in combination with other markers can determine whether the best solution for the infertile couple would be to do IUI, IVF, or ICSI. The suggested clinical trial may therefore be able to evaluate several secondary endpoints in addition to CYP24A1 in our search for predictive markers for fertilization. For instance several biomarkers in serum, seminal plasma or follicular fluid in conjunction with genetic polymorphisms in several genes important for reproductive function.

Early ovarian reserve decreased is one of the main causes of infertility for women after 35 years. The relationship between this decreased and exposure to chemicals, including persistent endocrine disruptors or organic solvents, has been little studied. However, several in vivo or in vitro experimental studies suggested that these chemicals may impaired ovarian function. The main objective is to study the relationship between early ovarian reserve decreased and exposure to persistent organic pollutants. The secondary objectives are to study the relationship between early ovarian reserve decreased and exposure to organic solvents and heavy metals. Multicenter case-control study. This project will permit to increase the knowledge concerning the etiology of early decreased ovarian reserve. Considering that exposure of interest are frequent, the results may be important in a public health perspective. If associations are observed in this study, the results may encouraged prevention strategy.

The study is seeking to understand how being overweight and obese makes women less fertile. The studies the investigators have done so far indicate that there is a hormone or other substance produced by fat that goes into the blood and reduces reproductive hormones in women who are overweight and obese. The present study will try to find the most promising substances by studying small numbers of women and trying to remove the substances that are causing the problem. Hypothesis: A circulating factor or factors, either hormonal, inflammatory or metabolic, causes relative pituitary hypofunction and correction of this reproductive deficit will allow obese women with infertility who have failed to reduce their body weight to normal to conceive, and may also prevent the horizontal passage of an adverse metabolic phenotype to the offspring.

The purpose of this study is to evaluate whether clinical varicoceles are associated with abnormal semen parameters and whether varicocelectomy could improve the semen parameter in patients unrelated with infertility.

This study aims to determine the performance of a salivary hormone competitive immunoassay for monitoring patients during treatment for infertility.