Bernabeu A

Study questionHow do ovarian responses using conventional dosing for follitropin delta 15 µg/day compare with follitropin alfa 225 IU/day in women undergoing ovarian stimulation?Summary answerThe ADAPT-1 trial demonstrates similar ovarian r…

BackgroundData sciences and artificial intelligence are becoming encouraging tools in assisted reproduction, favored by time-lapse technology incubators. Our objective is to analyze, compare and identify the most predictive machine learning…

ObjectiveWomen undergoing IVF who have had a previous c-section (CS) have a lower live birth rate than those with a previous vaginal delivery. However, the precise underlying mechanisms need clarification. Does a previous CS affect the patt…

IntroductionProgesterone-primed cycles effectively suppress the pituitary LH surge during ovarian stimulation in oocyte donors and in the infertile population. Particularly in oocyte donors, the use of synthetic progesterone (progestins) ha…

ObjectiveTo compare the oocyte yield between follicular-phase stimulation (FPS) and luteal-phase stimulation (LPS) in suboptimal responders.DesignProspective, randomized, crossover clinical trial.PatientsForty-one patients with infertility …

As endometriosis is recognized as a contributing factor to infertility, prompting couples to embark on Assisted Reproductive Technology (ART) treatments, it becomes crucial to comprehend the extent and way this condition can affect success …

PurposeTo identify candidate variants in genes possibly associated with premature ovarian insufficiency (POI).MethodsFourteen women, from 7 families, affected by idiopathic POI were included. Additionally, 98 oocyte donors of the same ethni…

ObjectiveTo study uterine peristalsis using step-by-step 4-dimensional (4D) ultrasound assessment video, explore its relationship with progesterone levels in a select in vitro fertilization population, and assess the reproducibility of the …

Recent advances in molecular microbiology have enabled refined studies of the genital tract microbiota. This constitutes the basis of the present updated systematic review and meta-analysis which investigate vaginal dysbiosis (VD) as define…

Objective: Twisted uterus is detected when the body of the uterus is rotated from the cervical canal. This anomaly may be due to different causes, such as uterine fibroids, endometriosis or the presence of both. The study has aimed to compa…

Study questionDo mitochondrial DNA (mtDNA) copy number and heteroplasmy in human embryos affect the ongoing pregnancy rate?Summary answerOur study suggests that mtDNA copy number above a specific threshold is associated with the ongoing pre…