Advice on the management of ambiguous genitalia to a young endocrinologist from experienced clinicians.

abstract：:Labor initiation is a complex process that remains to be fully elucidated. An area of active research involves the study of the different mechanisms that may lead to successful signaling for parturition. This review focuses on the fetal-derived signals that lead to the initiation of labor. These signals may also play ...

journal_title：Seminars in reproductive medicine

authors： Beshay VE,Carr BR,Rainey WE

更新日期：2007-01-01 00:00:00

abstract：:Endocrine-disrupting chemicals generally function as steroid receptor signaling antagonists or agonists that influence development to promote adult-onset disease. Exposure to the endocrine disruptors during the initiation of male reproductive tract development interferes with the normal hormonal signaling and formatio...

journal_title：Seminars in reproductive medicine

authors： Guerrero-Bosagna CM,Skinner MK

更新日期：2009-09-01 00:00:00

abstract：:In vitro maturation of oocytes is a safe and effective treatment offered in some fertility centers for assisted reproduction, where immature oocytes are retrieved from unstimulated ovaries. Therefore, the procedure avoids ovarian stimulation with expensive gonadotropins, side effects of the medications, and risks such...

journal_title：Seminars in reproductive medicine

authors： Rao GD,Tan SL

更新日期：2005-08-01 00:00:00

abstract：:Approximately 10 to 15% of the population experiences infertility. Although 85 to 90% of couples or individuals who experience infertility have a diagnosis for their infertility, underlying causes of infertility rarely are found. Extensive literature reporting adverse effects of environmental contaminants on wildlife ...

journal_title：Seminars in reproductive medicine

authors： Giudice LC

更新日期：2006-07-01 00:00:00

abstract：:Trophoblast cells of the murine placenta are derived from the trophectoderm (TE) cells of the preimplantation embryo. Establishment of the TE cell lineage is the result of a cell segregation event early in blastomere division. Models of cell lineage segregation suggest it is driven by the internalization of spatial in...

journal_title：Seminars in reproductive medicine

authors： Underhill LA,Robins JC

更新日期：2016-01-01 00:00:00

abstract：:Controlled ovarian stimulation (COS) is widely used in assisted reproduction techniques (ART). However, hormonal treatment induces endometrial alterations that may alter implantation rates compared with natural cycles. Endometrial alterations have been observed by histological and biochemical techniques. The recent de...

journal_title：Seminars in reproductive medicine

authors： Horcajadas JA,Díaz-Gimeno P,Pellicer A,Simón C

更新日期：2007-11-01 00:00:00

abstract：:Luteinizing hormone (LH) and human chorionic gonadotropin (hCG) share a common receptor in gonadal cells; however, the presence of these receptors has also been detected in several nongonadal but reproduction-associated tissues of pig, human, and other species. There are no data about the ontogeny of the human LH/hCG ...

journal_title：Seminars in reproductive medicine

authors： Ziecik AJ,Derecka K,Gawronska B,Stepien A,Bodek G

更新日期：2001-01-01 00:00:00

abstract：:Analysis of published series reveals that no more than a fourth of subfertile patients undergoing surgery for peritoneal endometriotic implants, rectovaginal endometriotic lesions, or recurrent endometriomas achieved conception spontaneously. First-line surgery for ovarian endometriotic cysts appears associated with a...

journal_title：Seminars in reproductive medicine

authors： Berlanda N,Vercellini P,Somigliana E,Frattaruolo MP,Buggio L,Gattei U

更新日期：2013-03-01 00:00:00

abstract：:The reproductive organs in both males and females consist of gonads, internal ductal structures, and external genitalia. Normal sexual differentiation is dependent on the genetic sex determined by the presence or absence of the Y chromosome at fertilization. Testes develop under the influence of the Y chromosome and o...

journal_title：Seminars in reproductive medicine

authors： Gell JS

更新日期：2003-11-01 00:00:00

abstract：:Whereas the importance of close monitoring and tight glycemic control in diabetic pregnancies cannot be ignored, the growing body of knowledge surrounding the different effects of diabetes mellitus on the earliest stages of reproduction underscores the need for aggressive screening among reproductive-aged women at ris...

journal_title：Seminars in reproductive medicine

authors： Jungheim ES,Moley KH

更新日期：2008-03-01 00:00:00

abstract：:As the percentage of women serving in the active-duty military continues to grow, and as their roles continue to expand, the importance of monitoring reproductive health in the military community increases. The Department of Defense Birth and Infant Health Research (BIHR) program conducts ongoing epidemiologic studies...

journal_title：Seminars in reproductive medicine

authors： Khodr ZG,Bukowinski AT,Hall C,Gumbs GR,Wells NY,Conlin AMS

更新日期：2018-11-01 00:00:00

abstract：:Aging has dramatic effects on the reproductive system in women. Undoubtedly, the most notable changes in the neuroendocrine axis arise from the loss of ovarian function, and thus, the loss of negative feedback on the hypothalamus and pituitary. Progressive decreases in inhibin B and inhibin A result in an early increa...

journal_title：Seminars in reproductive medicine

authors： Hall JE

更新日期：2007-09-01 00:00:00

abstract：:Translocations involving the X and Y chromosomes are often associated with anomalies of gonadal development. Transfer of Yp sequences, including the testis-determining SRY gene, to the terminal portion of the short arm of the X chromosome is associated with 46,XX maleness and in rare cases 46,XX true hermaphroditism. ...

journal_title：Seminars in reproductive medicine

authors： McElreavey K,Cortes LS

更新日期：2001-06-01 00:00:00

abstract：:Despite the critical role the placenta plays in governing the outcome of pregnancy, a great deal remains to be learned about this transient organ. Several factors have contributed to our relative lack of knowledge. For example, most of the placenta's development, which precedes that of the embryo or fetus, occurs duri...

journal_title：Seminars in reproductive medicine

authors： Fisher SJ

更新日期：2000-01-01 00:00:00

abstract：:Premature ovarian failure (POF) is a disorder characterized by lack of ovulation and elevated levels of serum gonadotropins before the age of 40. The etiology of POF is not known but different environmental and genetic factors are involved, suggesting high heterogeneity of the disorder. The involvement of X-linked gen...

journal_title：Seminars in reproductive medicine

authors： Bione S,Toniolo D

更新日期：2000-01-01 00:00:00

abstract：:Complementary therapies and medicines are a broad and diverse range of treatments, and are frequently used by women and their partners during the preconception period to assist with infertility, and to address pregnancy-related conditions. Despite frequent use, the evidence examining the efficacy, effectiveness, and s...

journal_title：Seminars in reproductive medicine

authors： Smith CA,Armour M,Ee C

更新日期：2016-03-01 00:00:00

abstract：:Intrauterine insemination (IUI) is a widely used fertility treatment for couples with male and/or non-male factor infertility and is a relatively simple and inexpensive procedure. When used for unexplained infertility, IUI combined with ovarian stimulation increases the pregnancy rates, but evidence does not support t...

journal_title：Seminars in reproductive medicine

authors： Kim YJ,Park CW,Ku SY

更新日期：2014-07-01 00:00:00

abstract：:Old World monkeys display physiological responses to steroid hormones that are similar to those of women. In this review, we describe cyclic morphological changes that take place within the uterus of Old World primates during the menstrual cycle. In primates, estrogen stimulates endometrial growth in the follicular ph...

journal_title：Seminars in reproductive medicine

authors： Slayden OD

更新日期：2014-09-01 00:00:00

abstract：:Over the past decade there has been a resurgence of interest in the culture media used in clinical in vitro fertilization. Unfortunately, during this time more confusion than consensus appears to have developed regarding the composition of these media. In order to facilitate a clearer understanding of this field, it i...

journal_title：Seminars in reproductive medicine

authors： Gardner DK,Pool TB,Lane M

更新日期：2000-01-01 00:00:00

abstract：:Female genital tract microbiota play a crucial role in maintaining health. Disequilibrium of the microbiota has been associated with increased risk of pelvic infections. In recent years, culture-independent molecular techniques have expanded understanding of the composition of genital microbiota and the dynamic nature...

journal_title：Seminars in reproductive medicine

authors： Sharma H,Tal R,Clark NA,Segars JH

更新日期：2014-01-01 00:00:00

abstract：:The medical treatment of endometriosis is a critical aspect of the therapeutic approach to this disease. Past methods have been based upon systemic hormonal alterations, resulting in suppression of this estrogen-responsive disorder. Treatments such as danazol, progestogens, oral contraceptives, GnRH-agonists, and gest...

journal_title：Seminars in reproductive medicine

authors： Olive DL

更新日期：2003-05-01 00:00:00

abstract：:Puberty is a fundamental developmental event in the lifespan of any individual, when sexual and somatic maturation is completed, and reproductive capacity is achieved. While the tempo of puberty is under strong genetic determination, it is also modulated by a wide array of internal and environmental cues, including, p...

journal_title：Seminars in reproductive medicine

authors： Barroso A,Roa J,Tena-Sempere M

更新日期：2019-07-01 00:00:00

abstract：:Leptin is a circulating protein produced by adipocytes that has been implicated in control of body weight through appetite regulation and control of reproduction, most likely through an effect on the central nervous system. From studies in mice, it is clear that the genetic background of the animal on which the mutati...

journal_title：Seminars in reproductive medicine

authors： Lado-Abeal J,Norman RL

更新日期：2002-05-01 00:00:00

abstract：:Endometriosis is a common cause of infertility and disabling pelvic pain in reproductive age women. The most widely accepted theory of its pathogenesis is the retrograde flow of menstrual products, although extra-abdominal and extrapelvic diagnoses have been made. After the pelvic peritoneum and gynecologic structures...

journal_title：Seminars in reproductive medicine

authors： Ajao MO,Einarsson JI

更新日期：2017-01-01 00:00:00

abstract：:The ability of glycerol to protect cells from freezing injury was discovered accidentally. The subsequent development of cryopreservation techniques has had a huge impact in many fields, most notably in reproductive medicine. Freezing injury has been shown to have two components, direct damage from the ice crystals an...

journal_title：Seminars in reproductive medicine

authors： Pegg DE

更新日期：2002-02-01 00:00:00

abstract：:Randomized clinical trials (RCTs) have been used to assess interventions affecting health since biblical times. They provide the most valid means of measuring the true effects of intervention compared with no treatment or placebo. Although they can also be used to assess the value of diagnostic tests, this article foc...

journal_title：Seminars in reproductive medicine

authors： Hughes EG

更新日期：2003-02-01 00:00:00

abstract：:Sperm epigenetic programming is tailored to meet the need of this specialized cell, which include its interaction with the oocyte during fertilization and early embryo development. The unique nature of the sperm epigenome has resulted in multiple studies investigating how perturbations in epigenetics might impact male...

journal_title：Seminars in reproductive medicine

authors： Ibrahim Y,Hotaling J

更新日期：2018-05-01 00:00:00

abstract：:Pregnancy results in major changes in the hypothalamo-pituitary-adrenal (HPA) axis, which in turn influence fetal growth and the timing of labor. From the beginning of the second trimester maternal cortisol secretion increases, and in late pregnancy the placenta, in large part mediated through corticotroph-releasing h...

journal_title：Seminars in reproductive medicine

authors： Trainer PJ

更新日期：2002-11-01 00:00:00

abstract：:Couples experiencing recurrent pregnancy loss are often concerned that toxins within the environment have contributed to their reproductive difficulty. Questions posed by these couples to their health care providers are difficult to answer because scientifically accurate information regarding the reproductive impact o...

journal_title：Seminars in reproductive medicine

authors： Gardella JR,Hill JA 3rd

更新日期：2000-01-01 00:00:00

abstract：:Microfluidics is a young but established field that holds significant potential for scientific discovery. The utility of microfluidics can improve our knowledge of basic biology as well as expand our understanding in specialized areas such as assisted reproduction and stem cell developmental biology. This review descr...

journal_title：Seminars in reproductive medicine

authors： Smith GD,Swain JE,Bormann CL

更新日期：2011-01-01 00:00:00