Live birth rate per woman · women undergoing assisted reproductive technology (ART)
GnRH antagonist showed no clear difference in live birth rate per woman randomised compared with long‐course GnRH agonist (moderate certainty).
1 finding from 1 review
OHSS per woman randomised (any grade) · women undergoing assisted reproductive technology (ART)
GnRH antagonist probably leads to lower OHSS per woman randomised (any grade) compared with long‐course GnRH agonist (moderate certainty).
1 finding from 1 review
Ongoing pregnancy · women undergoing assisted reproductive technology (ART)
GnRH antagonist showed no clear difference in ongoing pregnancy rate per woman randomised compared with long‐course GnRH agonist (moderate certainty).
1 finding from 1 review
Clinical pregnancy rate · women undergoing assisted reproductive technology (ART)
GnRH antagonist showed no clear difference in clinical pregnancy rate per woman randomised compared with long‐course GnRH agonist (moderate certainty).
1 finding from 1 review
Miscarriage · women undergoing assisted reproductive technology (ART)
GnRH antagonist showed no clear difference in miscarriage rate per woman randomised compared with long‐course GnRH agonist (moderate certainty).
1 finding from 1 review
Cycle cancellation due to poor ovarian response · women undergoing assisted reproductive technology (ART)
GnRH antagonist probably leads to higher cycle cancellation due to poor ovarian response compared with long‐course GnRH agonist (moderate certainty).
1 finding from 1 review
Live birth rate per couple · intrauterine insemination (IUI) in women with infertility
It is very uncertain whether gonadotropins with GnRH antagonist changes live birth rate per couple compared with gonadotropins alone (very low certainty).
1 finding from 1 review
Multiple pregnancy rate · intrauterine insemination (IUI) in women with infertility
Gonadotropins with GnRH antagonist showed no clear difference in multiple pregnancy rate per couple compared with gonadotropins alone (moderate certainty).
1 finding from 1 review
Clinical pregnancy rate · intrauterine insemination (IUI) in women with infertility
Gonadotropins with GnRH antagonist showed no clear difference in clinical pregnancy rate per couple compared with gonadotropins alone (low certainty).
1 finding from 1 review
Miscarriage · intrauterine insemination (IUI) in women with infertility
Gonadotropins with GnRH antagonist showed no clear difference in miscarriage rate per couple compared with gonadotropins alone (low certainty).
1 finding from 1 review
OHSS · intrauterine insemination (IUI) in women with infertility
It is very uncertain whether gonadotropins with GnRH antagonist changes OHSS rate per couple compared with gonadotropins alone (very low certainty).
1 finding from 1 review
Ectopic pregnancy rate per couple · intrauterine insemination (IUI) in women with infertility
Gonadotropins with GnRH antagonist showed no clear difference in ectopic pregnancy rate per couple compared with gonadotropins alone (low certainty).
1 finding from 1 review
Live birth rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Clinical pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
GnRH agonists probably leads to lower clinical pregnancy rate compared with gnRH antagonists (moderate certainty).
1 finding from 1 review
Miscarriage · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
GnRH agonists showed no clear difference in miscarriage rate compared with gnRH antagonists (low certainty).
1 finding from 1 review
Multiple pregnancy rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
GnRH agonists showed no clear difference in multiple pregnancy rate compared with gnRH antagonists (low certainty).
1 finding from 1 review
Cycle cancellation rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Endometrial thickness (mm) · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Other adverse effects · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Premature ovarian failure · premenopausal women with malignant conditions, receiving GnRH agonist before or in parallel to chemotherapy
1 finding from 1 review
no estimate extracted
0 participants
GRADE not reported