Ernesto Bosch

Study questionWhat is the recommended management for couples presenting with unexplained infertility (UI), based on the best available evidence in the literature?Summary answerThe evidence-based guideline on UI makes 52 recommendations on t…

STUDY QUESTION: Is there a relationship between serum and endometrial progesterone (P4) levels, including P4 and metabolites (oestrone, oestradiol and 17α-hydroxyprogesterone), and endometrial receptivity? SUMMARY ANSWER: Serum P4 levels we…

Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) play complementary roles in follicle development and ovulation via a complex interaction in the hypothalamus, anterior pituitary gland, reproductive organs, and oocytes. Impair…

Before planning an assisted conception treatment cycle, a thorough assessment of the woman's hormone profile and ovarian reserve is essential to aid the decision on the appropriate protocol for controlled ovarian hyperstimulation (COH). The…

Introduction: Endometriosis, defined as the growth of endometrial tissue outside \nthe uterine cavity is a common gynaecological disorder affecting 10-15% \nof women in their reproductive years. It is a major clinical problem causing in- \n…

ObjectiveTo provide a summary of the actual knowledge about the clinical factors affecting the oocyte recipient (other than those associated with uterine cavity abnormalities) on the outcome of oocyte donation cycles.DesignReview of the lit…

Pregnancy rates obtained with oocyte donation (OD) are the highest when compared to any other assisted reproduction technique (ART). OD is not only the solution for many infertile couples but also a reference model for obtaining useful know…

Several analyses in our infertility (IVF) and oocyte donation programs were carried out to gain clinical knowledge of the factors involved in the etiology of endometriosis-associated infertility. We first compared the IVF outcomes in women …