Why selecting sperm at high magnification? results from a prospective comparative cohort
نویسندگان
چکیده
منابع مشابه
Embryo transfer in days 2 to 4 following intracytoplasmic sperm injection: a prospective cohort study
Background: Improvement of assisted reproductive technique (ART) results in higher pregnancy rates from positive Beta HCG to take home baby statistics. Despite developments in culture media allowing blastocyst stage transfer, some centers apply second, third and sometimes fourth day post injection for embryo transfer. This study aimed to compare their reproductive outcomes. Methods : This p...
متن کاملEfficacy of hyaluronic acid binding assay in selecting motile spermatozoa with normal morphology at high magnification
BACKGROUND The present study aimed to evaluate the efficacy of the hyaluronic acid (HA) binding assay in the selection of motile spermatozoa with normal morphology at high magnification (8400x). METHODS A total of 16592 prepared spermatozoa were selected and classified into two groups: Group I, spermatozoa which presented their head attached to an HA substance (HA-bound sperm), and Group II, ...
متن کاملStroke after aortic valve surgery: results from a prospective cohort.
BACKGROUND The incidence and impact of clinical stroke and silent radiographic cerebral infarction complicating open surgical aortic valve replacement (AVR) are poorly characterized. METHODS AND RESULTS We performed a prospective cohort study of subjects ≥65 years of age who were undergoing AVR for calcific aortic stenosis. Subjects were evaluated by neurologists preoperatively and postoperat...
متن کاملNarrow Band Imaging with Magnification Endoscopy for Celiac Disease: Results from a Prospective, Single-Center Study
In celiac disease (CD), the intestinal lesions can be patchy and partial villous atrophy may elude detection at standard endoscopy (SE). Narrow Band Imaging (NBI) system in combination with a magnifying endoscope (ME) is a simple tool able to obtain targeted biopsy specimens. The aim of the study was to assess the correlation between NBI-ME and histology in CD diagnosis and to compare diagnosti...
متن کاملAge at menarche and risk of type 2 diabetes: results from 2 large prospective cohort studies.
The authors investigated the association between age at menarche and risk of type 2 diabetes mellitus (T2DM) among 101,415 women from the Nurses' Health Study (NHS) aged 34-59 years (1980-2006) and 100,547 women from Nurses' Health Study II (NHS II) aged 26-46 years (1991-2005). During 2,430,274 and 1,373,875 person-years of follow-up, respectively, 7,963 and 2,739 incident cases of T2DM were d...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Fertility and Sterility
سال: 2017
ISSN: 0015-0282
DOI: 10.1016/j.fertnstert.2017.07.734