Evaluation of the effect of adding a single dose of gonadotropin releasing hormone agonist (GnRHa) as a luteal phase support on the outcomes of intracytoplasmic sperm injection (ICSI) following long GnRHa protocol
Endometrial preparation for embryo transfer (ET) will be started after oocyte retrieval by giving 800 mg/day natural progesterone vaginal supplement + 4 mg/day estradiol oral supplement. The patients will be randomly divided into 2 groups for luteal phase support: (i) Group A (GnRHa group) in which the luteal phase support will be continued by the same regimen started on the day of oocytes retrieval until 2 weeks after embryo transfer (ET) with subcutaneous administration of a single dose (0.2 mg) of GnRHa (Triptorelin) 6 days after oocyte retrieval, and (ii) Group B (control group) in which the luteal phase support will be continued only by the same regimen started on the day of oocytes retrieval until 2 weeks after ET
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
200
Luteal phase support will be continued by the same regimen started on the day of oocytes retrieval until 2 weeks after embryo transfer (ET) with subcutaneous administration of a single dose (0.2 mg) of GnRHa (Triptorelin) 6 days after oocyte retrieval
Fertility Care Unit (FCU) in Mansoura University Hospital
Al Mansurah, Dakahlia Governorate, Egypt
RECRUITINGPrivate fertility care centers
Al Mansurah, Dakahlia Governorate, Egypt
RECRUITINGClinical pregnancy rate
Number of clinical pregnancies (defined as presence of at least one intrauterine gestational sac with fetal pole and cardiac activity on TVS scan at 4-6 weeks after the ET) divided by the number of ET procedures
Time frame: 6 weeks after embryo transfer
Implantation rate
Number of gestational sacs on TVS scan at 4-6 weeks after ET divided by the number of transferred embryos
Time frame: 6 weeks after embryo transfer
Miscarriage rate
Number of first trimester miscarriages (before 12 weeks gestational age) divided by the number of clinical pregnancies
Time frame: 12 weeks gestational age
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