Juan A. García-Velasco

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Deep endometriosis is a demanding condition that is associated with infertility. However, evidence supporting a direct link between deep endometriosis and infertility is weak. In fact, infertility in affected patients is more likely to be e…

Study question: To compare the pregnancy rate in patients submitted to FET (Frozen Embryos Transfer) of cleavage stage embryos (Group 1), or at the blastocyst stage (Group 2). Summary answer: Our data showed that the transfer of frozen blas…

OBJECTIVE: To evaluate IVF outcome in women with unoperated bilateral endometriomas. DESIGN: Multicenter retrospective cohort study. SETTINGS: Two infertility units. PATIENT(S): Thirty-nine women with bilateral endometriomas matched with…

Outcomes of in vitro fertilization cycles in women with endometriosis are significantly worse than in patients without this condition. The impact of endometriosis on ovarian reserve and the quality of retrieved oocytes seems evident. Lower …

ObjectiveTo study the levels of four markers of oxidative stress in follicular fluid (FF) and plasma of patients with infertility related to endometriosis and controls.DesignExperimental study.SettingUniversity-affiliated hospital and infer…

PurposeThis study aimed to explore the incidence of empty follicle syndrome (EFS) in oocyte donors who had final oocyte maturation triggered with GnRHa and to compare the incidence of EFS in this group of patients with IVF patients who had …

Purpose of review To summarize the literature related to the value of surgery in endometrioma-associated infertility and present the most recent evidence in support or against the surgical removal of endometriomas with special attention bef…

PURPOSE OF REVIEW: To summarize the literature related to the value of surgery in endometrioma-associated infertility and present the most recent evidence in support or against the surgical removal of endometriomas with special attention be…

background: There is a growing consensus that ovarian endometriomas should not be systematically removed in women selected for IVF. However, some recent evidence suggested that the presence of these cysts may negatively affect the course of…

The use of aromatase inhibitors (AIs) in IVF patients remains controversial. AIs can be considered for ovulation induction for IVF in women who are normal and poor responders, are at risk of ovarian hyperstimulation syndrome or thrombosis, …

This chapter addresses the controversies surrounding the impact and surgical management of hydrosalpinges and uterine leiomyoma on in vitro fertilization (IVF) cycle outcome. Evidence accumulated over the last 15 years suggests that either …

Postmenopausal endometriosis is a rare clinical condition. The diagnosis and treatment of an endometriotic lesion in postmenopausal women is complicated. First line treatment choice should be surgical, given that there is a potential risk o…

Implantation of a retrogradely shed endometrium during menstruation requires an adequate blood supply, which allows the growth of endometriotic lesions. This suggests that the development of endometriosis can be impaired by inhibiting angio…