Relationship between the oestradiol/oocyte ratio and the outcome of assisted reproductive technology cycles with gonadotropin releasing hormone agonist

2010 ◽  
Vol 27 (8) ◽  
pp. 558-561 ◽  
Author(s):  
Turgut Var ◽  
Esra Tonguc ◽  
Muammer Dogan ◽  
Leyla Mollamahmutoglu
Author(s):  
Saeideh Dashti ◽  
Maryam Eftekhar

It has been shown that in controlled ovarian hyper stimulation cycles, defective luteal phase is common. There are many protocols for improving pregnancy outcomes in women undergoing fresh and frozen in vitro fertilization cycles. These approaches include progesterone supplements, human chorionic gonadotropin, estradiol, gonadotropin-releasing hormone agonist, and recombinant luteinizing hormone. The main challenge is luteal-phase support (LPS) in cycles with gonadotropin-releasing hormone agonist triggering. There is still controversy about the optimal component and time for starting LPS in assisted reproductive technology cycles. This review aims to summarize the various protocols suggested for LPS in in vitro fertilization cycles. Key words: Luteal-phase support, IVF, HCG, Progesterone, GnRH agonist, Recombinant LH.


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