Cochrane · systematic review · CD002808

Depot versus daily administration of gonadotrophin‐releasing hormone agonist protocols for pituitary down regulation in assisted reproduction cycles

Albuquerque, LET, Tso, LO, Saconato, H, et al. · Cochrane Database of Systematic Reviews · 2013 · Cochrane Library

Gynaecology and FertilityAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
11
current version
GRADE rated
11
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 9.1%Low 9 · 81.8%Moderate 1 · 9.1%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

GnRHa depot compared to GnRHa daily injection for pituitary down regulation in assisted reproduction cycles

Population: patients with pituitary down regulation in assisted reproduction cycles
7 questions
OutcomeEffectEvidenceStatus / GRADE
Live birth/ongoing pregnancy rate per woman Delivery of one or more living infants/pregnancy beyond 12 weeks of gestation
GnRHa depot vs GnRHa daily injection
OR 0.95 [0.7, 1.31]7 studies · 873 participantsLow
Downgraded: risk of bias, publication bias
Clinical pregnancy rate per woman Identified by the presence of a gestational sac on ultrasonography or histopathological confirmation of trophoblast tissue
GnRHa depot vs GnRHa daily injection
OR 0.96 [0.75, 1.23]11 studies · 1259 participantsModerate
Downgraded: risk of bias
OHSS incidence rates
GnRHa depot vs GnRHa daily injection
OR 0.84 [0.29, 2.42]5 studies · 570 participantsLow
Downgraded: risk of bias, publication bias
Miscarriage rates
GnRHa depot vs GnRHa daily injection
OR 1.16 [0.7, 1.94]9 studies · 512 participantsLow
Downgraded: risk of bias, publication bias
Number of oocytes retrieved
GnRHa depot vs GnRHa daily injection
no estimate extracted11 studies · 1142 participantsLow
Downgraded: risk of bias
Multiple pregnancy rates
GnRHa depot vs GnRHa daily injection
OR 1.1 [0.49, 2.46]4 studies · 132 participantsLow
Downgraded: risk of bias, publication bias
Number of gonadotropin (FSH) units employed
GnRHa depot vs GnRHa daily injection
no estimate extracted11 studies · 1043 participantsLow
Downgraded: risk of bias

Different doses of GnRHa depot compared to GnRHa daily injection for pituitary down regulation in assisted reproduction cycles

Population: patients with pituitary down regulation in assisted reproduction cycles
4 questions
OutcomeEffectEvidenceStatus / GRADE
Number of gonadotrophin (FSH) units employed ‐ half dose
Different doses of GnRHa depot vs GnRHa daily injection
no estimate extracted5 studies · 616 participantsVery low
Downgraded: risk of bias, inconsistency
Number of gonadotrophin (FSH) units employed ‐ full dose
Different doses of GnRHa depot vs GnRHa daily injection
no estimate extracted6 studies · 527 participantsLow
Downgraded: risk of bias
Number of days of gonadotrophin treatment ‐ half dose
Different doses of GnRHa depot vs GnRHa daily injection
no estimate extracted4 studies · 507 participantsLow
Downgraded: risk of bias, inconsistency
Number of days of gonadotrophin treatment ‐ full dose
Different doses of GnRHa depot vs GnRHa daily injection
no estimate extracted6 studies · 526 participantsLow
Downgraded: risk of bias, inconsistency