background: this study examined the applicability of trans-theoretical model (ttm) to understand exercise behavior among female college students in hamadan university of medical sciences, iran in 2007. methods: a cross-sectional descriptive study was conducted. the dependent variables analyzed were exercise efficacy expectation, decisional balance (pros and cons). the independent variable was s...

abstract objective: according to the definition of world health organization (who), attempting suicide is an act that a person intentionally and without others’ interference shows an abnormal behavior (such as harming themselves or eating a drug higher than treatment dose) and his objective is realizing his expected changes. the purpose of this study was to investigate the demographic character...

Thirty nonlactating Holstein cows were superovulated to determine the effect of artificial insemination time on fertilization status and embryo quality. During the luteal phase of the estrous cycle, cows were administered 38 mg FSH-P in a 4-d descending dose regimen. Luteolysis was induced with two injections of prostaglandin on the last day of FSH-P treatment. All cows were continuously monito...

BACKGROUND Endometrial development has an important role in blastocyst adhesion and implantation. During IVF cycles, endometrial development is enhanced by progesterone. OBJECTIVE The aim of this study was to compare ultrastructural and morphometrical characteristics of mice uterine endometrium in natural cycle with those in superovulated cycles received progesterone or Sildenafil. MATERIAL...