Gonadotropin-releasing hormone analogue (GnRH-a) is a synthetic decapeptide compound which can down-regulate pituitary function causing a temporary low estrogen state. Since endometriosis is an estrogen-dependent disease, the use of long-acting GnRH-a can control the growth of endometriosis by inhibiting ovary function.Some scholars have found that, for adenomyosis patients who received a super long protocol (pretreatment of long-acting GnRH-a for 1-2 months) in IVF treatment, the pregnancy outcome is comparable to that of the controls with normal uterus. Thus, the aim of this study is to compare the clinical pregnancy rate in patients treated with GnRH-a for 1, or 2 months.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
50
patient in this group only receive GnRH-a 3.75 for pituitary down-regulation
Reproductive Medical Center, First Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
RECRUITINGclinical pregnancy rate
Time frame: 5 weeks after embryo transfer
Number of oocytes retrieved
Time frame: 1 day at oocyte retrieved day
2 pronucleus(2PN)fertilization rate
Number of 2PN/Matured oocytes
Time frame: 48hours after oocyte retrieved day
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