نتایج جستجو برای: cumulative embryo score
تعداد نتایج: 354013 فیلتر نتایج به سال:
Freezed embryo transfer increases the cumulative pregnancy rate, reduces costs, is relatively simple to undertake and can be accomplished in a shorter time period compared to repeated Fresh cycle. There are different protocols for endometrial preparation. Although frozen embryo replacement cycles, have been used for several years, there is no agreement about the optimal way to prepare the endom...
Progesterone is essential for establishment and maintenance of pregnancy in mammals. The objective of this study was to examine the effect of elevating progesterone during the different physiological stages of early embryo development on embryo survival. Estrus was synchronized in cross-bred beef heifers (n=197, approximately 2-years old) and they were inseminated 12-18h after estrus onset (=Da...
BACKGROUND Women with endometriosis often need IVF to conceive-most women need several cycles of treatment. METHODS To evaluate the impact of moderate to severe endometriosis on cumulative IVF outcome, we carried out an observational study on 98 consecutive women who underwent IVF or ICSI treatment and had endometriosis diagnosed by laparoscopy or laparotomy and classified as minimal to mild ...
abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...
We analyzed embryo culture medium (CM) and recipient blood plasma using Fourier transform infrared spectroscopy (FTIR) metabolomics to identify spectral models predictive of pregnancy outcome. Embryos collected on Day 6 from superovulated cows in 2 countries were individually cultured in synthetic oviduct fluid medium with BSA for 24 h before embryo transfer. Spent CM, blank controls, and plasm...
OBJECTIVE To assess the efficiency of a "freeze-all" embryo strategy after immature oocyte retrieval (OR) and in vitro maturation (IVM) in patients with polycystic ovary syndrome (PCOS). DESIGN Retrospective case series. SETTINGS University-based tertiary referral center. PATIENT(S) Seventy-nine consecutive PCOS patients undergoing IVM followed by vitrified-warmed embryo transfer (ET) ove...
In-vitro fertilization is associated with a high rate of multiple pregnancies, a consequence of the number of embryos transferred. There is a challenge in avoiding even twin pregnancies in assisted reproduction, and this can be accomplished with elective single embryo transfer and a good cryopreservation programme. In our follow-up study, we analysed all our elective single embryo transfers dur...
In Vitro Fertilization (IVF) units need to decrease multiple pregnancies without affecting their overall success rate. In this study we propose a mathematical model to evaluate an embryo’s potential ability to implant in the uterus. Embryos are graded by the embryologist based on the number of blastomeres, evenness of growth and degree of fragmentation. Therefore, the following variables were c...
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