نتایج جستجو برای: induction of ovulation
تعداد نتایج: 21174304 فیلتر نتایج به سال:
Background: Endothelial dysfunction can influence fertility rate in women with polycystic ovary syndrome (PCOS) as flow mediated dilatation (FMD) is impaired in patients with the disease. The aim of this study was to compare two methods of ovulation induction by letrozole or letrozole plus human menopausal gonadotropins (HMGs) in infertile women with PCOS who were resistant to clomiphene citrat...
BACKGROUND This study was undertaken to assess whether the use of clomiphene citrate in conjunction with albumin-separated sperm would alter the sex ratio (expressed as the proportion of males) towards females and, if so, whether this skewing was due solely to the induction of ovulation. METHODS The sex ratios of 184 single and 42 twin births at five assisted reproduction biology clinics were...
Background: Measurement of estradiol level in women under treatment with ovulation induction drugs to make sure about sufficient ovum number in the infertility treatment protocol and also to prevent OHSS phenomenon, is an important and necessary factor. In case of high levels of Estradiol hormone, routine methods are unable to detect the real concentration of the hormone molecules. We...
Background and purpose: The clinical outcome of intrauterine insemination (IUI) treatment cycles employing a gonadotrophin-releasing hormone agonist [Superfact)] or human chorionic gonadotrophin (HCG) for ovulation induction was compared. Materials and methods: A group of 100 patients presenting with amenorrhoea, oligomenorrhoea or unexplained infertility were all treated with clomiphene 100 m...
Background and purpose: Çhronic annovulation is a common cause of infertility in women and polycystic ovarian syndrome (PÇÔS) is the most common cause of anovulation . Ôvulation induction with clomiphene is the first line of therapy in pcos. 20-22% of the patients may be resistant to clomiphene. The objective of this study was to assess the ovulation and pregnancy rates with tamoxifen in c...
The vagina, unlike other mucoses, is very dynamic with respect to its histology and physiology. This leads to the existence of a long list of factors included in the vaginal environment that affect substances absorption deposited there. Recently, it has been obtained normal ovulation rates in rabbit does inseminated which were induced with an intravaginal dose of GnRH analogue. This text provid...
Polycystic Ovarian Syndrome (PCOS), a common disorder of the endocrine system, is diagnosed based on inclusion criteria of an ovulation or oligo-ovulation, clinical signs of hyperandrogenism, and/or presence of polycystic ovaries on ultrasound. Many women with PCOS also have hyperinsulinemia, leading to over production of ovarian androgens. Due to this differential, the use of the insulin-sensi...
BACKGROUND Medical induction of ovulation using clomiphene citrate (CC) as first line and exogenous gonadotrophins as second line forms the classical treatment algorithm in normogonadotrophic anovulatory infertility. Because the chances of success following classical ovulation induction are not well established, a shift in first-line therapy can be observed towards alternative treatment. The st...
Reproductive endocrinology, a relatively new subspecialty of obstetrics and Gynecology, came of age during the 1980s. The discipline has benefited greatly from substantial recent advances in reproductive biology and allied fields and technologic improvements in computers, ultrasonography, and surgical instrumentation. All of these developments have been applied to clinical practice at an unprec...
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