Results 71 to 80 of about 31,032 (201)

Luteal phase stimulation versus follicular phase stimulation in poor ovarian responders: A systematic review and a meta‐analysis

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Background Poor ovarian response (POR) complicates a substantial proportion of in vitro fertilization (IVF) cycles, frequently causing cycle cancellation and suboptimal reproductive outcomes. Conventional follicular‐phase ovarian stimulation (FPOS) protocols often yield limited results, prompting the evaluation of alternative strategies such ...
Vittorio Agrifoglio   +8 more
wiley   +1 more source

Repurposing metformin for cancer treatment: current clinical studies. [PDF]

open access: yes, 2016
In recent years, several studies have presented evidence suggesting a potential role for metformin in anti-cancer therapy. Preclinical studies have demonstrated several anticancer molecular mechanisms of metformin including mTOR inhibition, cytotoxic ...
Altman, Jessica K   +10 more
core   +1 more source

Effect of estradiol valerate on the pregnancy rate in patients receiving letrozole for induction of ovulation

open access: yesMiddle East Fertility Society Journal, 2018
Background: Letrozole is as effective as clomiphene citrate for induction of ovulation in patients with PCOS. Adequate endometrial development is required for pregnancy to occur, and pregnancy rates were found to be higher when the endometrium reached at
Amr Abd Almohsen Alnemr   +3 more
doaj   +1 more source

Comparison of the Application Value of 4‐Dimensional Hysterosalpingo‐Contrast Sonography and X‐Ray Hysterosalpingography in Intrauterine Insemination

open access: yesJournal of Ultrasound in Medicine, EarlyView.
Objectives To compare the application value of 4‐dimensional hysterosalpingo‐contrast sonography (4D‐HyCoSy) and x‐ray hysterosalpingography (HSG) in intrauterine insemination (IUI) patients. Methods In this retrospective study, a total of 725 infertile patients who underwent IUI in Ganzhou Maternal and Child Health Hospital from January 2023 to June ...
Yongyu Xie   +3 more
wiley   +1 more source

The Effectiveness of Clomiphene Citrate and Letrozole for Ovulation Induction Related to Endometrial Thickness and Number of Dominant Follicle [PDF]

open access: yes, 2016
The aim of the study is to know the effectiveness of clomiphene citrate and letrozole for ovulationrelated to endometrial thickness and number of dominant follicle. Study design was cross sectional basedon medical records of women who underwent ovulation
Madjid, V. (Veinardi)   +3 more
core   +2 more sources

Increased expression of aromatase after focal cerebral ischemia: Relevance to neuroprotection and functional recovery

open access: yesNeuroprotection, EarlyView.
Abstract Aim Aromatase is the key enzyme in the biosynthesis of 17β‐estradiol, the most potent estrogen, which has pleiotropic neuroprotective properties. Aromatase levels increase in the brain after stroke, and its gene variants increase susceptibility to stroke. This study aims to determine whether aromatase overexpression improves stroke outcome and
Lindsay Gallagher   +8 more
wiley   +1 more source

Effect of letrozole on masculinization of Siamese fighting fish (Betta splendens) [PDF]

open access: yes, 2015
The aim of this study was to evaluate the effect of letrozole (a non-steroidal aromatase inhibitor) on masculinization of Siamese fighting fish (Betta splendens).
Archana, Chirom   +3 more
core   +2 more sources

Kisspeptin as a test of hypothalamic dysfunction in pubertal and reproductive disorders

open access: yesAndrology, EarlyView.
Abstract The hypothalamic–pituitary–gonadal axis is regulated by the gonadotropin‐releasing hormone pulse generator in the hypothalamus. This is comprised of neurons that secrete kisspeptin in a pulsatile manner to stimulate the release of GnRH, and, in turn, downstream gonadotropins from the pituitary gland, and subsequently sex steroids and ...
Aureliane C. S. Pierret   +5 more
wiley   +1 more source

Efficacy and Safety of Controlled Ovarian Stimulation With or Without Letrozole Co-administration for Fertility Preservation: A Systematic Review and Meta-Analysis

open access: yesFrontiers in Oncology, 2020
Background: The co-administration of letrozole during controlled ovarian stimulation (COS) with gonadotropins is used to limit the potentially harmful effects of a supra-physiological rise in estrogen levels on hormone-sensitive cancers.
Benedetta Bonardi   +16 more
doaj   +1 more source

Ovulation rates in a stair-step protocol with Letrozole vs clomiphene citrate in patients with polycystic ovarian syndrome

open access: yesContraception and Reproductive Medicine, 2019
Purpose To compare ovulation rates between Letrozole and Clomiphene Citrate (CC) using a stair-step protocol to achieve ovulation induction in women with Polycystic Ovarian Syndrome (PCOS). Methods This is a retrospective cohort of predominantly Hispanic
S. Thomas   +6 more
doaj   +1 more source

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