Our study did not find any difference in LBRs between single and double IUI groups in OH cycles with multi-follicular development. To the best of our knowledge this is the first report with this kind of study design. The study was registered at clinicaltrials.gov: NCT 00993902.

These findings suggest that B-group vitamins and folic acid administration counteract the Hcy-increasing effect seen with metformin therapy.

Purpose The new-generation spermatozoon selection method, microfluidic technique called Fertile Chip ® gives the chance to select spermatozoa with lower DNA fragmentation indexes. We aimed to determine the effect of microfluidic techniques for spermatozoon selection in ICSI treatment in patients with unexplained infertility. Methods This prospective randomized controlled study was conducted at a university hospital. One hundred twenty-two couples with unexplained infertility were included, in which 61 of them were treated with conventional swim-up techniques (control group) and another 61 with the microfluidic technique (study group) for spermatozoon selection in IVF treatment. The fertilization rates and the quality of embryos were the primary outcomes, and clinical pregnancy (CPR) and live birth rates (LBR) were the secondary outcomes of our study.Results CPR in the study group and control group were 48.3% and 44.8% (p = 0.35) and LBR were 38.3% and 36.2% (p = 0.48), respectively. The fertilization rates were similar (63.6% and 57.4%, p = 0.098). A total number of grade 1 embryos were significantly higher in microfluidic technique group than in control group (1.45 ± 1.62 vs. 0.83 ± 1.03, p = 0.01). There were more surplus top quality embryos leftover to freeze in the study group (0.71 ± 1.48 vs. 0.22 ± 0.69, p = 0.02). Conclusion Our study showed that the microfluidic technique does not change fertilization, CPR, and LBR during IVF treatment for couples with unexplained infertility. Despite the fact that the total number of grade 1 embryos after ICSI treatment and the surplus number of grade 1 embryos after embryo transfer were higher in the microfluidic technique group, the study was not powered to detect this difference. Trial registration NCT02488434

Objective Common carotid artery intima-media thickness (CIMT) is a non-invasively assessed marker of subclinical atherosclerosis. Our aim in this study was to investigate CIMT in women with gestational diabetes mellitus (GDM). Methods

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Cervical mucus aspiration before IUI might improve clinical pregnancy rates by yet-to-be-defined mechanisms.