The aim of this study was to evaluate changes that occur in motility parameters of progesterone treated mouse spermatozoa during course of hyperactivation. Mouse spermatozoa treated with different doses of progesterone were videotaped after 10 min and 90 min of incubation. For each sperm, one second of movement of the head-midpiece junction was traced from the videotape and for each tracing sev...

background : this study evaluates estrogen and progesterone expressions in patients with ovarian tumors (both benign and malignant) and their correlation with various clinicopathological prognostic parameters. receptors for estrogen and progesterone are predictive and prognostic markers of endometrial and breast cancers. however, their clinical significance in epithelial ovarian cancer is not c...

Objective Objective: Gelatinases degrade extracellular matrix (ECM) components to make physiological remodeling and contribute to pathological tissue destruction in endometriosis. It is known that gelatinases’ function is resistant to suppression by progesterone in endometriosis. The ability of progesterone to impact gene expression depends on the progesterone receptor-A/-B (PR-A/PR-B) ratio. A...

Background: To compare the effect of GnRH agonist administration with vaginal progesterone on serum progesterone in Luteal phase in control ovarian hyper stimulation and intrauterine insemination cycles Materials and Methods: In this clinical trial, 242 infertile patients because of UEI (unexplained inferetility candidate for ovarian stimulation and intrauterine insemination reffering to infert...

In previous studies, the neuroprotective effect of progestrone in diffuse traumatic brain injury has been shown. This study used mifepristone (RU-486), a potent progesterone receptor antagonist, to evaluatethe hypothesis that the neuroprotective effect of progesterone in traumatic brain injury is mediated by the progesterone receptors. The ovariectomized rats were divided into 6 groups. Brain i...

Progesterone is a mammalian gonadal hormone which generally present in plant samples trace amount. In the study, progesterone was identified ethanol extract of banana inflorescence Musa paradisiaca. L species by HPTLC method and silica part from plates were scrapped subjected to GC-MS analysis further confirms presence progesterone. Preliminary phytochemical evaluation, mineral content, fingerp...

background: the role of estrogen and progesterone in stroke is suggested in previous studies, but yet is controversial. objectives: comparing the plasma levels of estrogen and progesterone and their ratio in ischemic stroke patients and healthy population. materials and methods: this cross-sectional comparative study was conducted from march to september of 2013. sixty-six female patients older...

Background: The objective of this study is to evaluate the progesterone level (P Level) on the day of HCG triggering in GnRh agonist and antagonist protocols, and its correlation with clinical pregnancy rate and miscarriage rate. Premature luteinization during in vitro fertilization (IVF) was commonly happened before the introduction of GnRh analogues. High level of unwanted progesterone that i...

Abstract Background The current study was carried out to investigate the effects of exogenous progesterone on fetal development in rats. Results Placental weights did not vary control and treated groups. Fetal were significantly reduced low- high-dose CVL both treatment groups compared group. In fetuses that received maternal with progesterone, several parts skeleton showed incomplete ossificat...