View clinical trials related to ART.
Filter by:A randomized, open label trial of two strategies for Virus Load Differentiated Care (VLDC) monitoring of virologic outcome in a rural community based treatment program in Zimbabwe.
The current study aims to assess the effect of assisted hatching on the implantation rate of frozen blastocytes.
The current trial is intended to assess the efficacy of oral versus vaginal progesterone for luteal support in frozen IVF cycles.
We need to identify a new parameter to evaluate the success rate of IVF techniques. CLBR has been suggested as a suitable way for reporting success of IVF program: it implies capturing the totality of live birth episodes following successive treatments. For patients CLBR is easy to understand because it summarizes the chance of a live birth over an entire treatment period. CLBR per oocyte retrieval is more meaningful as it is the best indicator of quality and success in IVF and it allows the best indicator of quality and success in IVF with different strategies for freezing embryos.
In this study the investigators will adapt and strengthen, test effectiveness, and explore implementation of conditional lottery incentive linkage strategies to engage men in HIV care and ART in KwaZulu-Natal, South Africa.
Vitamin D has many biological functions. Vitamin D receptors are widely distributed in the male and female reproductive system. Animal experiments have shown that vitamin D deficiency can affect hormone synthesis and gamete formation, reduce sperm motility, and may be related to diseases such as PCOS and endometriosis. Population studies suggest that vitamin D may be related to androgen levels and sperm quality, but whether vitamin D affects the outcome of assisted reproduction is controversial and inconclusive. This study intends to explore whether vitamin D affects the outcome of assisted reproduction through a large sample cohort study.
The purpose of this trial is to investigate the metabolic and cardiovascular health in children aged 6-8 years born after in-vitro fertilization with frozen embryo transfer
A randomized comparison of the live birth rate between the progestin-primed ovarian stimulation protocol and the gonadotrophin releasing hormone antagonist protocol in patients undergoing in vitro fertilization Research question Does the live birth rate of the progestin-primed ovarian stimulation protocol comparable with the GnRH antagonist protocol for patients undergoing IVF? Design This is a randomized controlled trial. Research plan Population: Infertile women who have medical indication for IVF will be recruited for study if they fulfil the selection criteria. Intervention: Women will receive oral dydrogesterone 20mg daily from Day 3 till the day of ovulation trigger. Comparator: Women will receive antagonist (Cetrorelix 0.25mg) once subcutaneously daily from day 6 of ovarian stimulation till the day of the ovulation trigger. Outcomes: The primary outcome is the live birth rate the first FET. Ovarian stimulation, egg retrieval, embryos frozen and frozen embryo transfer will be performed according to the standard operating procedures of the centres.
The IVF Offspring Born in Guangzhou Cohort Study (IVF-BIG) was established to investigate the short- and long-term effects of exposure in early life on the health of mothers and offspring in Guangzhou, China. Data are collected regarding assisted reproductive technology (ART), environmental, occupational and lifestyle exposures as well as health outcomes in their later life. Biological samples including blood and tissue samples are also collected from participants.
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.