View clinical trials related to Infertility.
Filter by:The aim of this study is to analyse the efficacy of MACS technique for the selection of spermatozoa and its effects on implantation, pregnancy and miscarriage rate. This study will be performed by two IVI clinics (IVI Sevilla and IVI Madrid) with the purpose of finding new techniques that allow us to better select spermatozoa and improve the results of assisted reproduction techniques.
Any drift in extracellular pH (pHe) from the intercellular pH (pHi) could alter the mechanism regulating transporters and exchangers through the plasma membrane. This could lead to difficulty in restoring the physiological level of pHi. The critical stages that lack robust mechanism of regulating the pHi are the denuded oocyte, early stage of fertilization or a thawed embryo. This, in turn, could lead to a significant effect of the perturbations on embryo development. Convincing evidence regarding the optimal pHe for culturing human embryo is, so far, scanty and mostly anecdotal. The embryo has been reported to have a compensatory mechanism to grow at pHe between 7.0-7.4. Others have recommended that embryo need a sequential pH to viably grow suggesting that the post-genomic activation stage needs a slightly alkaline range of pH. However, whether this holds true remains to be examined.
Research objective To compare effectiveness of oral Misoprostal for cervical priming in premenopausal women underwent to diagnostic hysteroscopy Research hypothesis: Null hypothesis Effectiveness of oral misoprostal for cervical priming in premenopausal women underwent to diagnostic hysteroscopy is not different from placebo Alternative hypothesis: : Oral Misoprostal for cervical priming in Premenopausal women underwent to diagnostic hysteroscopy is better than placebo
Patients and partners undergoing an autologous IVF cycle will be recruited to participate in this prospective observational study investigating the microbiome and its association with IVF pregnancy outcomes. During the the controlled ovarian hyperstimulation cycle as well as the frozen embryo transfer cycle, a number of specimens will be collected for next generation sequencing of 16S rRNA to evaluate the microbiome profile of the reproductive and gastrointestinal tracts. Data on pregnancy outcomes will be collected prospectively and evaluated to identify associations with the microbiome.
The aim of study is to assess the possible impact of assisted hatching on delivery rate after transfer of vitrified-warmed human blastocysts.
In IVF/ICSI cycles, the progesterone levels induced by ovarian stimulation are low, therefore the luteal phase is supported by progesterone. The use of progestogens in IVF is associated with an improvement in the live birth rate Standard protocol for luteal phase support has not yet been established. Currently vaginal progesterone is widely used, since the classic oral progesterone seems to result in a low bioavailability and a lower pregnancy rate. However, vaginal administration of progesterone is associated with vaginal irritation, discharge and bleeding. For all these reasons, there is a need for an effective, well tolerated, and safe treatment that can improve patient satisfaction and compliance. Many studies have observed similar pregnancy rate results with dydrogesterone and micronized vaginal progesterone. A new RCT including a total of 1143 patients by Tournaye, showed that dydrogesterone treatment had a similar safety profile to micronized vaginal progesterone (MVP) for luteal support as part of ART treatment. The crude pregnancy rates at 12 weeks were 37.6% and 33.1% in the dydrogesterone and MVP treatment groups respectively. Regarding the administration route of progesterone, intramuscular and transvaginal routes are the two conventional progesterone administration techniques. However, very few studies have compared the advantages of oral dydrogestrone with vaginal progesterone for luteal support in ART cycles. The objective of the investigator's study is to demonstrate the superiority of oral dydrogesterone (Duphaston) 10 over MVP (Utrogestan) used for luteal supplementation in cryo-warmed embryo transfer cycles. Upon consent, 224 patients women will be randomly allocated into either one of the study groups using a simple randomization method by computer-generated random numbers. Group I will receive the oral dydrogesterone, while group II will receive the vaginal microprogesterone.
In the early stages of assisted reproductive technologies (ART), oocyte retrieval was performed via laparoscopy, a cumbersome and expensive process requiring general anesthesia. Today, transvaginal oocyte retrieval for ART is a routine procedure performed under ultrasound guidance. Double-lumen retrieval needles, which are capable of flushing ovarian follicles, were developed to overcome the possibility of oocyte retention within the ovarian follicles and retrieval collection system. Single lumen needles have been introduced and are routinely used by most groups due to their supposed ability to retrieve the same number of oocytes in a shorter operation time.
To evaluate the role of Inhibin A as bio marker for the number of mature oocytes, compared to Estradiol
Performing fluoroscopic HSG with oil based contrast medium has been shown to increase pregnancy rates in a subfertile population. This is a pilot study to test the efficacy of as well as the tolerability and safety of using lipid based oil medium for sonographic based hysterosalpingography (Sono HSG) compared to water based contrast (i.e. normal saline) for women seeking fertility. The double blind study will randomize 56 women at the time of Sono HSG in a 1:1 ratio to receive through the SHG catheter either up to 10 cc of Lipiodol UF® or normal saline. The investigators will collect subjective pain experience and follow the subjects for 6 months after the test for pregnancy and collect all adverse events during and after the procedure.
The primary objective of this study is to determine the predictive value of preimplantation genetic screening (PGS) as a marker of embryonic competence. Secondary objectives are to define the related or independent predictive values of other proposed markers of embryonic and maternal reproductive competence in assisted reproductive technology (ART) cycles.