R. Schats

ObjectiveTo study whether markers of prenatal exposure to reproductive hormones are related to Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome, polycystic ovary syndrome (PCOS), and endometriosis.DesignCase-control study. Comparison of sex h…

STUDY QUESTION: Does a previous Caesarean section affect reproductive outcomes, including live birth, in women after IVF or ICSI? SUMMARY ANSWER: A previous Caesarean section impairs live birth rates after IVF or ICSI compared to a previou…

STUDY QUESTIONS: The primary objective is to investigate if continuous use of oral contraceptives is non-inferior compared to long-term pituitary desensitization with a GnRH agonist prior to IVF/ICSI in patients with moderate to severe endo…

To evaluate the efficacy and safety of intrauterine insemination (IUI) in moderate to severe endometriosis patients, a systematic review and meta-analysis was conducted since the role of this treatment strategy in these patients is a matter…

A prospective observational cohort study was performed to examine patient satisfaction after one Assisted Reproductive Technology (ART) treatment cycle in moderate to severe endometriosis patients. From May 2012 till September 2013, 25 pati…

Long-term pituitary down-regulation with a gonadotrophin-releasing hormone (GnRH) agonist for 3–6 months prior to IVF/intracytoplasmic sperm injection (ICSI) improves clinical pregnancy rates in endometriosis patients. However, some discuss…

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…

GnRH is produced and released from a group of loosely connected neurons located in the medial basal hypothalamus, primarily within the arcuate nucleus, and in the preoptic area of the ventral hypothalamus. It is synthesized in the cell body…

ObjectiveTo investigate the success rate of proximal tubal occlusion with Essure(®) devices in subfertile women with unilateral or bilateral hydrosalpinx and to observe the results of subsequent treatment with IVF-ET and/or frozen embryo tr…

ObjectiveBoth the intraperitoneal seeding and the uterine-vesical extension theory have been proposed to explain the pathogenesis of bladder endometriosis. The aim of this study was to describe MR imaging findings of bladder endometriosis a…

ObjectivesTo establish the effect of adenomyosis on IVF/ICSI outcomes in infertile patients with endometriosis who were pretreated with long-term (>/=3 months) GnRH-agonist prior to IVF/ICSI.Study designRetrospective study in 74 infertile p…

In 15 women, peritoneal fluid was obtained by either culdocentesis (n = 20) or laparoscopy (n = 3), before (n = 9) and after (n = 14) ovulation. Ultrasound was used for ovulation detection. Before ovulation the mean oestradiol-17 beta level…