BACKGROUNDEndometrial scratching (with the use of a pipelle biopsy) is a technique proposed to facilitate embryo implantation and increase the probability of pregnancy in women undergoing in vitro fertilization (IVF). METHODSWe conducted a pragmatic, multicenter, open-label, randomized, controlled trial. Eligible women were undergoing IVF (fresh-embryo or frozen-embryo transfer), with no recent exposure to disruptive intrauterine instrumentation (e.g., hysteroscopy). Participants were randomly assigned in a 1:1 ratio to either endometrial scratching (by pipelle biopsy between day 3 of the cycle preceding the embryotransfer cycle and day 3 of the embryo-transfer cycle) or no intervention. The primary outcome was live birth. RESULTSA total of 1364 women underwent randomization. The frequency of live birth was 180 of 690 women (26.1%) in the endometrial-scratch group and 176 of 674 women (26.1%) in the control group (adjusted odds ratio, 1.00; 95% confidence interval, 0.78 to 1.27). There were no significant between-group differences in the rates of ongoing pregnancy, clinical pregnancy, multiple pregnancy, ectopic pregnancy, or miscarriage. The median score for pain from endometrial scratching (on a scale of 0 to 10, with higher scores indicating worse pain) was 3.5 (interquartile range, 1.9 to 6.0). CONCLUSIONSEndometrial scratching did not result in a higher rate of live birth than no intervention among women undergoing IVF.

The precise impact of fibroids, which are the most common benign gynaecological tumours in women, on reproductive function and infertility is unknown. The need to treat submucosal fibroids is widely accepted, but fibroids in other locations and sizes continue to present a clinical conundrum. This article examines the mechanisms by which fibroids affect implantation and fertility, and stratifies their impact on basis of size, location and nature. It also explores the evidence base of the available treatment modalities in specific relation to improving fertility outcomes. Traditionally, a myomectomy has been advocated to treat fibroids for the reproductive population; however, as well as evaluating the benefits of surgery including endoscopic, this article explores alternative therapies including medical and radiological interventions.

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The association between socioeconomic status and fertility is a subject that has received much attention. Yet, little is known as to whether the socioeconomic status has an impact on the outcomes of fertility treatment. This systematic review aims to assess any possible relationship between socioeconomic deprivation and treatment outcomes. A database search was conducted of all publications in this field up to March 2021. Eleven studies were identified and six of these specifically investigated the impact of socioeconomic status on fertility treatment outcomes. Children conceived following assisted conception are more likely to be born to mothers of a higher socioeconomic status than those conceived naturally. Of the few studies investigating the impact of socioeconomic status on fertility treatment outcomes and the results are conflicting, making it difficult to draw robust conclusions as to its effect. It is unknown which, if any, marker of socioeconomic status is the most significant for fertility patients: whether it is the characteristics of the individual or that of their surroundings. Further research is urgently needed.