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  • Title: [GnRH agonist triggering in IVF and luteal phase support in women at risk of ovarian hyperstimulation syndrome].
    Author: Guivarc'h-Levêque A, Jaffré F, Homer L, Moy L, Priou G, Colleu D, Denis I, Arvis P.
    Journal: Gynecol Obstet Fertil; 2013 Sep; 41(9):511-4. PubMed ID: 23972925.
    Abstract:
    OBJECTIVE: To evaluate the efficacy and safety of ovulation triggering by agonists in antagonists IVF cycles with fresh embryo transfer in modulating low HCG dose for luteal phase support in patients at risk of ovarian hyperstimulation syndrome (OHSS). PATIENTS AND METHODS: In an observational study from September 2011 to March 2013, we triggered with agonist 107 cycles with OHSS risk, we initially triggered 39 cycles with 2 doses of Triptorelin 0.1 mg. Injection of 1500 IU HCG was performed one hour after the pick up and a second injection of 1500 IU was made 5 days later (group 1) combined with 400 mg of natural progesterone vaginally. In the following 68 cycles we removed the second HCG injection and increased to 600 mg vaginal progesterone associated with E2 4 mg orally (group 2). RESULTS: Group 1: the ongoing pregnancy rate and birth rate in fresh cycle is respectively 37.1% and 34.3% and the cumulative ongoing pregnancy rate and birth rate per patient is 43.6% and 41%. We recorded three late onset OHSS in pregnant women. Group 2: ongoing pregnancy rate in fresh cycle is 39.6%, the current cumulative ongoing pregnancy rate per patient was 45.6%. We observed a case of early onset OHSS. DISCUSSION AND CONCLUSION: Triggering with agonist and administering an injection of 1500 IU of HCG the day of the pick up appears to be effective in women at risk of OHSS. The exclusion of all OHSS is still not reached. The search for the best protocol and its indications should continue.
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