Publications by authors named "Chi Hong Ho"

Background: Round spermatid injection (ROSI) into oocytes offers men with non-obstructive azoospermia (NOA) the opportunity to have biological offspring in cases where mature spermatozoa are not detected. However, the clinical outcomes of ROSI remains poor. This study compares the outcomes of ROSI with intracytoplasmic sperm injection (ICSI) and investigates the effect of hormonal pretreatment.

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Dysmenorrhea with high prevalence has been categorized as primary dysmenorrhea (PD) and secondary dysmenorrhea due to differences in pathogenesis. A significant number of reproductive females suffering from monthly menstruation have to deal with negative impacts on their quality of life, work/study productivity, activities, and social relationships. In addition to medical treatment, exercise has been recognized as a complementary and alternative strategy for disease prevention, alleviation, and rehabilitation.

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Polycystic ovary syndrome (PCOS), which affects 5-10% of women of reproductive age, is associated with reproductive and metabolic disorders, such as chronic anovulation, infertility, insulin resistance, and type 2 diabetes. However, the mechanism of PCOS is still unknown. Therefore, this study used a letrozole-exposed mouse model in which mice were orally fed letrozole for 20 weeks to investigate the effects of letrozole on the severity of reproductive and metabolic consequences and the expression of cysteine-cysteine motif chemokine receptor 5 (CCR5) in letrozole-induced PCOS mice.

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Objective: To study the relationship between circulating chemokine cysteine-cysteine motif ligand (CCL) 5 levels and cysteine-cysteine chemokine receptor type 5 (CCR5) expression in peripheral blood mononuclear cells (PBMCs) and adipose tissue with hyperandrogenism and insulin resistance in patients with polycystic ovary syndrome (PCOS).

Design: Case-control study.

Setting: University teaching hospital.

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Purpose: Male infertility caused by hypogonadotropic hypogonadism (HH) is not common. The main treatment is gonadotropins for 12 months or longer. If the patient is still azoospermic, conventional or microdissection testicular sperm extraction (mTESE) may further help in sperm retrieval.

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Research Question: Polycystic ovary syndrome (PCOS) is a complex disease and its pathophysiology is still unclear. This polygenic study may provide some clues.

Design: A polygenic, functionome-based study with the ovarian gene expression profiles downloaded from the National Center for Biotechnology Information (NCBI) Gene Expression Omnibus (GEO) database, including 48 PCOS and 181 normal control samples.

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Background: Our aim was to examine the roles of mesenchymal stem cell (MSC) transplantation in the repair of large uterine defects.

Methods: Uterine defects were created in both uterine horns of female rats by a punch instrument, and bone marrow-derived MSCs, MSC-conditioned medium (MSC-CM) or vehicle were injected into the myometrium around the defect. The rate of uterine defect repair was monitored on day 2 and 4 after operation.

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By retrieving records from Taiwan's National Health Insurance (NHI) system's database, the current study aimed to investigate the impacts of hysterosalpingography (HSG) to patients after ectopic pregnancy (EP) operations in Taiwan.In this retrospective cohort study, insurance claims data from 1997 to 2013, derived from a cohort of 1 million people randomly sampled to represent all NHI beneficiaries, were analyzed. Patients after ectopic pregnancy (EP) operations were identified via the inclusion of the corresponding NHI procedure codes.

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Endometriosis, defined by the presence of viable extrauterine endometrial glands and stroma, can grow or bleed cyclically, and possesses characteristics including a destructive, invasive, and metastatic nature. Since endometriosis may result in pelvic inflammation, adhesion, chronic pain, and infertility, and can progress to biologically malignant tumors, it is a long-term major health issue in women of reproductive age. In this review, we analyze the Taiwan domestic research addressing associations between endometriosis and other diseases.

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Primary ovarian insufficiency (POI) and polycystic ovarian syndrome are ovarian diseases causing infertility. Although there is no effective treatment for POI, therapies for polycystic ovarian syndrome include ovarian wedge resection or laser drilling to induce follicle growth. Underlying mechanisms for these disruptive procedures are unclear.

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Background: Anti-Mullerian hormone (AMH), which is secreted by preantral and small antral follicles, has been found to be a valuable marker of ovarian reserve. The purpose of this study was to determine age-related changes in AMH levels that occur in Taiwanese women and to determine whether measuring AMH is a highly sensitive and specific tool for diagnosing polycystic ovarian syndrome (PCOS) in Taiwanese women.

Methods: A group of 59 healthy, fertile, regularly cycling women, a second group of seven patients with premature ovarian failure or menopause, and a third group of 45 PCOS patients were enrolled.

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Background: The use of progesterone for luteal support has been demonstrated to be beneficial in assisted reproductive cycles, yet the optimal route of progesterone administration has still not been established. This article is a retrospective study in a tertiary reproductive medical unit to compare luteal progesterone supplementation with vaginal gel or intramuscular progesterone.

Methods: A total of 144 in vitro fertilization or intracytoplasmic sperm injection cycles were analyzed, 67 cycles using vaginal gel 90 mg twice daily and 77 cycles using intramuscular progesterone 50 mg daily as luteal support.

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This is a prospective comparative study investigating cost and effectiveness of IVF/ intracytoplasmic sperm injection (ICSI) treatments after stimulation with recombinant gonadotrophins following either the short or long gonadotrophin-releasing hormone (GnRH) agonist protocol. Patients in the short protocol (n = 120) were administered buserelin nasal sprays from day 2 of the menstrual cycle and recombinant FSH from day 5. Patients in the long protocol (n = 120) were administered buserelin from the previous mid-luteal phase and recombinant FSH after achieving down-regulation.

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Context: Lysophosphatidic acid (LPA) was found at significant amounts in follicular fluid of preovulatory follicle. The lysophospholipase D activity of serum from women receiving ovarian stimulation was higher than women with natural cycles. Angiogenic cytokines, including IL-6, IL-8, and vascular endothelial growth factor, increased in plasma and ascites of patients with ovarian hyperstimulation syndrome.

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