نتایج جستجو برای: ovulation triggering
تعداد نتایج: 30956 فیلتر نتایج به سال:
This study explores the relationship between Menstruation and stress though, average menstrual cycle of a woman is 28 days however anything from 25 to 35 assumed be normal. Slight changes month are familiar but should generally same every month. So throughout whole feminine reproductive fluctuate due some internal external elements. The sources infinite in reality; deliberated common reason mis...
STUDY QUESTION Which genes and molecular mechanisms are involved in the human ovulatory cascade and final oocyte maturation? SUMMARY ANSWER Up-regulated genes in granulosa cells (GC) represented inflammation, angiogenesis, extracellular matrix, growth factors and genes previously associated with ovarian cancer, while down-regulated genes mainly represented cell cycle and proliferation. WHAT...
Final oocyte maturation is a crucial step in in vitro fertilization, traditionally achieved with a single bolus of human chorionic gonadotropin (hCG) given 36 hours before oocyte retrieval. This bolus exposes the patient to the risks of ovarian hyperstimulation syndrome (OHSS), particularly in the face of ovarian hyper-response to gonadotropins. Although multiple measures were developed to prev...
Background: Polycystic ovarian syndrome (PCOS) is a medical condition that affects women's menstrual cycles, fertility, hormone levels, and physical appearance. PCOS is thought to be one of the leading causes of female infertility, and is the reason of more than 75% of cases of anovulatory infertility. Materials and Methods: In this article, we review the different aspects of PCOS includin...
background: the pattern of islamic fasting differs from other forms of fasting, therefore its effect on health also differs. this research studies the effect of islamic fasting on gonadotropin hormones around the time of the ovulatory cycle and ovulation. materials and methods: this self-controlled study was performed on 24 adult females. blood sampling was performed during ramadan and two mont...
OBJECTIVE To investigate outcomes of stimulated IVF cycles in which GnRH antagonist was omitted on the ovulation triggering day. METHODS A total of 86 women who underwent controlled ovarian hyperstimulation with recombinant FSH and GnRH antagonist flexible multiple-dose protocols were recruited and prospectively randomized into the conventional group (group A) or cessation group (group B). Th...
The luteal phase of all stimulated in vitro fertilization/intra-cytoplasmic sperm injection (IVF/ICSI) cycles is disrupted, which makes luteal phase support (LPS) mandatory. The cause of the disruption is thought to be the multifollicular development achieved during ovarian stimulation which results in supraphysiological concentrations of steroids se- creted by a high number of corpora lutea du...
The aim of this work was to evaluate the response to 10 generations of selection for ovulation rate. Selection was based on the phenotypic value of ovulation rate, estimated at d 12 of the second gestation by laparoscopy. Selection pressure was approximately 30%. Line size was approximately 20 males and 80 females per generation. Traits recorded were ovulation rate at the second gestation, esti...
background: polycystic ovary syndrome (pcos) is the most common endocrine disorder in females of reproductive age. insulin resistance is a frequent metabolic disturbance in pcos. vitamin d deficiency is a common problem. accumulating evidence suggests that vitamin d has a role on insulin sensitivity so may contribute to reduction of hyperandrogenemia. objective: the aim was to determine the eff...
background: the pattern of islamic fasting differs from other forms of fasting, therefore its effect on health also differs. this research studies the effect of islamic fasting on gonadotropin hormones around the time of the ovulatory cycle and ovulation. materials and methods: this self-controlled study was performed on 24 adult females. blood sampling was performed during ramadan and two mont...
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