the effects of ethanol and strontium on growth and development of two-cell arrested mouse embryos

The Effects of Ethanol and Strontium on Growth and Development of Two-Cell Arrested Mouse Embryos

P-101: Effects of Ethanol and Strontium on Growth and Development of Two-Cell Arrested Mouse Embryos

Background: Arresting in a certain step of development like two-cell stage could be one of the reasons of infertility. The aim of this study is evaluating the effects of ethanol and strontium on growth and development of two-cell arrested mouse embryos. Materials and Methods: The females were coupled with male following superovulation. Positive vaginal plug mice were killed 48 hours after hCG i...

The Effects of Ethanol and Strontium on Growth and Development of Two-Cell Arrested Mouse Embryos

BACKGROUND Arresting at a certain stage of development like the two-cell stage could be one of the causes of infertility. The aim of this study is to evaluate the effects of ethanol and strontium on growth and development of mice embryos arrested at the two-cell stage. MATERIALS AND METHODS In this experimental study, female mice were coupled with a male following superovulation. Positive vag...

P-102: The Effect of Strontium on Growth and Development of Two-Cell Arrested NMRI Mouse Embryos

Background: Decreasing the growth and developmental rate of embryo and arresting in certain step of development like two cell block could be the reason of infertility in some couples referring to fertility and infertility center. The aim of this study is the effect of strontium on growth and development of two-cell arrested NMRI mouse embryo. Materials and Methods: The female mice were coupled ...

the effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...

the effects of time planning and task complexity on accuracy of narrative task performance

هدف اصلی این تحقیق بررسی تاثیر برنامه ریزی زمانی، هم چنین افزایش میزان پیچیدگی تکالیف در نظر گرفته شده بصورت همزمان، بر دقت و صحت و پیچیدگی عملکرد نوشتاری زبان آموزان می باشد. بدین منظور، 50 نفر از دانش آموزان دختر در رده ی سنی 16 الی 18 سال به عنوان شرکت کنندگان در این زمینه ی تحقیق در نظر گرفته شدند و به دو گروه آزمایشی و کنترل بصورت اتفاقی تقسیم شدند. اعضای گروه آزمایشی هر دو تکلیف ساده و پی...