Reproduction Abstracts

Introduction: Luteal phase deficiency following assisted reproductive technology (ART) programmes has led to progestogen supplementation. However, there is debate over which route of progestogen administration (intramuscular or vaginal) is most beneficial and whether additional treatment with oestrogen further improves pregnancy rates. Thus, a large-scale meta-analysis was performed to investigate the benefit of these luteal phase support treatments on pregnancy outcome in wom...