Declined fertility and ovarian reserve in older women are associated with lower density of Growth hormone (GH) receptors and dysregulation in GH secretion. GH can regulate the expression of growth hormone receptor and strengthen the function of mitochondria, which could improve the quality of the female oocyte. In this study, a prospective randomized control will be conducted to explore the effect of GH adjuvant therapy on clinical outcome of in vitro fertilization.
Eligible subjects will be randomly assigned into either the study groups (receive somatropin co-treatment) or the control group (without sopmatropin treatment). Polyethylene glycol recombinant human somatropin will be injected weekly (3mg/per week) for approximately 6 weeks, i.e. from the beginning of preceding menstruation cycle until the day of ovum pickup. Both groups will receive a similar common protocol for ovarian stimulation. In vitro fertilization with or without intracytoplasmic sperm injection will be performed according to semen parameters. All embryos will undergo culture for blastocyst and the obtained blastocysts will be vitrified for deferred frozen embryo transfer. The Blastocyst formation rate will be the primary outcome measure.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
200
Polyethylene glycol recombinant human somatropin will be injected weekly (3mg/per week) from the beginning of preceding menstruation cycle until the day of ovum pickup.
Blastocyst formation rate
the number of blastocyst/ the total number of embryos underwent blastocyst culture ×100%
Time frame: One year
Live birth rate
Time frame: One year
Number of retrieved oocytes
Time frame: One year
Number of high-score embryos
Time frame: One year
total amount of Gn used
Time frame: One year
total days of Gn administration
Time frame: One year
clinical pregnancy rate
Time frame: One year
Ongoing pregnancy rate
Time frame: One year
E2 levels on triggering day
Time frame: One year
Endometrial thickness on triggering day
Time frame: One year
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