Human reproduction
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What are the medical, psychosocial and legal aspects of gestational surrogacy (GS), including pregnancy outcomes and complications, in a large series? ⋯ To our knowledge, this is the largest GS series published. We have included many details regarding not only the medical protocol but also the counseling and legal considerations, which are an inseparable part of the process. Data from this study can be included in discussions with future intended parents and gestational carriers regarding success rates and complications of GS.
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Randomized Controlled Trial Comparative Study
Corifollitropin alfa compared with follitropin beta in poor responders undergoing ICSI: a randomized controlled trial.
Does substituting 150 µg corifollitropin alfa for 450 IU follitropin beta during the first 7 days of ovarian stimulation in proven poor responders, result in retrieval of a non-inferior number (<1.5 fewer) of cumulus oocyte complexes (COCs)? ⋯ Corifollitropin alfa simplifies IVF treatment because it is administered in a GnRH antagonist protocol and replaces seven daily FSH injections with a single one of a long acting FSH without compromising the outcome. It could greatly reduce the burden of treatment for poor responders and this deserves further investigation.
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Multicenter Study
Prevalence of chronic endometritis in repeated unexplained implantation failure and the IVF success rate after antibiotic therapy.
What is the prevalence of chronic endometritis (CE) in women with repeated unexplained implantation failure (RIF) at IVF, and how does antibiotic treatment affect the reproductive outcome? ⋯ A prospective randomized clinical trial is needed to confirm our findings but in women with RIF a hysteroscopic evaluation of the uterine cavity to exclude CE should be considered and appropriate antibiotic treatment should be given before submitting the patient to a further IVF attempt.
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Does cervical conization add an additional risk of preterm birth (PTB) in assisted reproduction technology (ART) singleton and twin pregnancies? ⋯ No external funding was achieved for this project.
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What are the characteristics and circumstances of pregnancies men report as unintended in France? ⋯ The FECOND study was supported by a grant from the French Ministry of Health, a grant from the French National Agency of Research (#ANR-08-BLAN-0286-01; PIs N.B., C.M.), and funding from National Institute of Health and Medical Research (INSERM) and the National Institute for Demographic Research (INED). None of the authors have competing interests.