الفهرس 
Intra Cytoplasmic Sperm Injection (ICSI)Only 14 pages are availabe for public view
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Abstract
Recently, the techniques and variables affecting the success of embryo transfer have attracted more attention. Today more stress has been placed on optimizing and standardizing the embryo transfer protocol than ever before.
In order to ascertain the importance of each step involved in the embryo transfer procedure, individual factors must be evaluated independently. The removal of cervical mucus prior to embryo transfer has been suggested to directly influence the embryo implantation rates.
Cervical mucus has been postulated to interfere with proper embryo replacement. It has also been suggested that the presence of cervical mucous can prevent the embryos from leaving the catheter by acting as a ‘plug’ at the catheter tip. In addition, transferred embryos may stick to the cervical mucus around the catheter and be dragged from their original site of deposition during the withdrawal of the catheter.
Moreover, the mucus may also interfere with implantation if pushed or injected into the uterine cavity.