The Transnational Study on Oral Contraceptives and the Health of Young Women. Methods, results, new analyses and the healthy user effect.

abstract：BACKGROUND:The aim of this meta-analysis was to investigate whether any difference exists in success rate of clinical outcomes of assisted reproductive technologies (ART) between women who actively smoke cigarettes at the time of treatment and those who do not. METHODS:An intensive computerized search was conducted on...

journal_title：Human reproduction update

authors： Waylen AL,Metwally M,Jones GL,Wilkinson AJ,Ledger WL

更新日期：2009-01-01 00:00:00

abstract：:Syncytin is a membrane protein derived from the envelope gene of an endogenous retrovirus of the HERV-W family. The gene appears to be almost exclusively expressed in placenta; the protein was found in particular in syncytiotrophoblast. After transfection into various cell types it has proven to be a very fusogenic pr...

journal_title：Human reproduction update

authors： Pötgens AJ,Drewlo S,Kokozidou M,Kaufmann P

更新日期：2004-11-01 00:00:00

abstract：:Despite recent advances in ovarian stimulation regimens and laboratory techniques, the pregnancy rate of assisted reproduction remains relatively low. New methods that would potentially improve implantation rates are needed. One proposed strategy involves enhancement of blood flow at the implantation site with the use...

journal_title：Human reproduction update

authors： Gelbaya TA,Kyrgiou M,Li TC,Stern C,Nardo LG

更新日期：2007-07-01 00:00:00

abstract：:BACKGROUND Angiogenesis, i.e. the development of new blood vessels from pre-existing ones, represents an integral part in the pathogenesis of endometriosis. During the last decade, an increasing number of studies have therefore focused on the anti-angiogenic treatment of the disease. The present review provides a syst...

journal_title：Human reproduction update

authors： Laschke MW,Menger MD

更新日期：2012-11-01 00:00:00

abstract：:Recent studies suggest a possible link between human assisted reproductive technology and genomic imprinting disorders. Assisted reproductive technology includes the isolation, handling and culture of gametes and early embryos at times when imprinted genes are likely to be particularly vulnerable to external influence...

journal_title：Human reproduction update

authors： Lucifero D,Chaillet JR,Trasler JM

更新日期：2004-01-01 00:00:00

abstract：:Mammalian oocytes begin meiosis in the fetal ovary, but only complete it when fertilized in the adult reproductive tract. This review examines the cell biology of this protracted process: from entry of primordial germ cells into meiosis to conception. The defining feature of meiosis is two consecutive cell divisions (...

journal_title：Human reproduction update

authors： Jones KT

更新日期：2008-03-01 00:00:00

abstract：:From a public health viewpoint, the intrauterine device (IUD) is the most widely used contraceptive method in the world. Prevalence rates range among countries from 2 to 80% of contraceptive users. During 5 years of IUD use, pregnancy occurs in less than 2 per 100 insertions. Bleeding and pain are the most common reas...

journal_title：Human reproduction update

authors： ESHRE Capri Workshop Group.

更新日期：2008-05-01 00:00:00

abstract：BACKGROUND:Sirtuins (SIRT1-7) are a family of NAD+-dependent deacetylases that catalyze post-translational modifications of proteins. Together, they respond to metabolic challenges, inflammatory signals or hypoxic/oxidative stress, and are associated with aging and longevity. The role of Sirtuins in the regulation of f...

journal_title：Human reproduction update

authors： Tatone C,Di Emidio G,Barbonetti A,Carta G,Luciano AM,Falone S,Amicarelli F

更新日期：2018-05-01 00:00:00

abstract：:As soon as leptin was discovered four years ago, its potential as a player in the polycystic ovary syndrome (PCOS) was explored in a primitive way, though little light was shed on the enigma that is PCOS. As a second wave of leptin research is now available, we review how the expanded role of the cytokine in reproduct...

journal_title：Human reproduction update

authors： Jacobs HS,Conway GS

更新日期：1999-03-01 00:00:00

abstract：BACKGROUND:Ovarian hyperstimulation syndrome (OHSS) typically occurs when ovaries are primed with FSH/LH and subsequently exposed to hCG. The ultimate pathophysiological step underlying this clinical picture is increased vascular permeability (VP). METHODS:A search of the literature was carried out using PubMed and th...

journal_title：Human reproduction update

authors： Soares SR,Gómez R,Simón C,García-Velasco JA,Pellicer A

更新日期：2008-07-01 00:00:00

abstract：:At present, the management of non-organ confined prostate cancer, whether it is a recurrence or metastasis, continues to evolve based on prostate cancer detection using prostate-specific antigen and the development of medications as alternatives for the classical orchiectomy, which induced irreversible implications fo...

journal_title：Human reproduction update

authors： d'Ancona FC,Debruyne FM

更新日期：2005-05-01 00:00:00

abstract：:Hormonal contraception has become more effective and more widely used, while the world population has grown from 3000 million in 1960 to 6000 million in 2000. There is a need for improved contraception, because legal abortion is used in a high proportion of pregnancies and illegal abortion continues to be common in so...

journal_title：Human reproduction update

authors：

更新日期：2002-07-01 00:00:00

abstract：:Pregnancy induces physiological alterations in thyroid function which may make difficult the interpretation of results of thyroid hormone measurement. A state of hyperstimulation of the thyroid gland is common in early pregnancy. In a few cases, thyroid hormone values will deviate from the normal range, which correspo...

journal_title：Human reproduction update

authors： Rodien P,Jordan N,Lefèvre A,Royer J,Vasseur C,Savagner F,Bourdelot A,Rohmer V

更新日期：2004-03-01 00:00:00

abstract：:This report describes the ethical and legal aspects of assisted reproductive technologies (ART) that have been instituted in European countries. The data were collected from questionnaires circulated to fertility centres in 39 countries in Europe. Ninety six ART centres were located in 30 of these countries. Nine coun...

journal_title：Human reproduction update

authors： Schenker JG

更新日期：1997-03-01 00:00:00

abstract：BACKGROUND:The main objective of individualization of treatment in IVF is to offer every single woman the best treatment tailored to her own unique characteristics, thus maximizing the chances of pregnancy and eliminating the iatrogenic and avoidable risks resulting from ovarian stimulation. Personalization of treatmen...

journal_title：Human reproduction update

authors： La Marca A,Sunkara SK

更新日期：2014-01-01 00:00:00

abstract：:The human ovary is a dynamic organ which continually changes in size and activity through life, as an integral part of the changes that the female is going through before during and after her reproductive life. Following the rapid increase in the use of transvaginal scan in recent years, the measurement of ovarian vol...

journal_title：Human reproduction update

authors： Lass A,Brinsden P

更新日期：1999-05-01 00:00:00

abstract：:Amenorrhoea associated with reduced caloric intake and strenuous exercise leads to hypoestrogenism and is associated with clinical manifestations that include disordered eating, stress fractures, osteoporosis, and, as recently reported, a potential increase in the risk of premature cardiovascular disease. Disordered e...

journal_title：Human reproduction update

authors： De Souza MJ,Williams NI

更新日期：2004-09-01 00:00:00

abstract：:Single-dose and multiple-rising dose studies of recombinant follicle stimulating hormone (rFSH) in hypogonadotrophic male and female volunteers demonstrated that the rate of FSH absorption after i.m. injection is higher in men than in women. In the absence of endogenous FSH, a correlation between serum FSH and body we...

journal_title：Human reproduction update

authors： Mannaerts BM,Rombout F,Out HJ,Coelingh Bennink H

更新日期：1996-03-01 00:00:00

abstract：:During the elongating spermatid stage of spermiogenesis, human sperm chromatin undergoes a complex transition in which histones are extensively replaced by protamines in a carefully regulated transition including histone modifications and intermediate and temporary replacement of the histones by sperm-specific transit...

journal_title：Human reproduction update

authors： Carrell DT,Emery BR,Hammoud S

更新日期：2007-05-01 00:00:00

abstract：:Mammals are generally held to be exceptions to the rule that organization of the egg plays a role in specifying the differentiation of cells, axes, or other aspects of patterning in the early embryo. However, there are several grounds for questioning this conclusion. Not only do certain experimental findings remain un...

journal_title：Human reproduction update

authors： Gardner RL

更新日期：1996-01-01 00:00:00

abstract：:Sperm transport from the cervix into the tube is an important uterine function within the process of reproduction. This function is exerted by uterine peristalsis and is controlled by the dominant ovarian structure via a cascade of endocrine events. The uterine peristaltic activity involves only the stratum subvascula...

journal_title：Human reproduction update

authors： Kunz G,Herbertz M,Noe M,Leyendecker G

更新日期：1998-09-01 00:00:00

abstract：:Cancer treatment modalities are increasingly more effective in achieving complete remission and cure. Aggressive chemotherapy and radiotherapy, as well as bone marrow transplantation, results in >90% cure in many cancers of children and young women. As a result of this success however, a new problem has arisen. Many y...

journal_title：Human reproduction update

authors： Oktay K

更新日期：2001-11-01 00:00:00

abstract：BACKGROUND:Recently, dopamine agonists were proposed as a prophylactic treatment for ovarian hyperstimulation syndrome (OHSS) in women at high risk in IVF/ICSI treatment cycles. METHODS:We conducted a systematic review and meta-analysis of randomized trials comparing the prophylactic effect of the dopamine agonist, ca...

journal_title：Human reproduction update

authors： Youssef MA,van Wely M,Hassan MA,Al-Inany HG,Mochtar M,Khattab S,van der Veen F

更新日期：2010-09-01 00:00:00

abstract：:The long-term clinical effects of ethinyl estradiol and the impact on environmental safety of the alkylated estrogen components used in combined contraceptive pills remain the subject of debate. The development of improved methods for the use of progestogen-only contraception would represent a viable and desirable opt...

journal_title：Human reproduction update

authors： Collins J,Crosignani PG,ESHRE Capri Workshop Group.

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:The cystic fibrosis transmembrane conductance regulator (CFTR) is a cAMP-activated Cl(-) and HCO(3)(-) conducting channel, mutations of which are known to be associated with male infertility. However, the underlying mechanisms remain elusive. METHODS:Literature databases were searched for papers on the topi...

journal_title：Human reproduction update

authors： Chen H,Ruan YC,Xu WM,Chen J,Chan HC

更新日期：2012-11-01 00:00:00

abstract：:Leiomyomata represent the most common gynaecological tumour in women of reproductive age, and are the primary indication for hysterectomy in the USA. Cytogenetic and genetic studies have, in recent years, advanced our understanding of the aetiology of these tumours. Cytogenetic aberrations involving chromosomes 6, 7, ...

journal_title：Human reproduction update

authors： Ligon AH,Morton CC

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Spermatogenesis culminates in production of one of the most highly differentiated cells in biology, the spermatozoon. The gametes that emerge from the testes are, however, functionally immature and only acquire full functionality once they have completed a process of post-testicular maturation in the epididy...

journal_title：Human reproduction update

authors： Dun MD,Aitken RJ,Nixon B

更新日期：2012-07-01 00:00:00

abstract：:Insulin plays a central role in human pregnancy. Maternal insulin sensitivity decreases with advancing gestation in order to provide glucose and possibly other nutrients for feto-placental growth and energy needs. Moreover, alterations of insulin metabolism are clearly involved in the development of gestational diabet...

journal_title：Human reproduction update

authors： Ciampelli M,Lanzone A,Caruso A

更新日期：1998-11-01 00:00:00

abstract：:Uterine malformations consist of a group of miscellaneous congenital anomalies of the female genital system. Their mean prevalence in the general population and in the population of fertile women is approximately 4.3%, in infertile patients approximately 3.5% and in patients with recurrent pregnancy losses approximate...

journal_title：Human reproduction update

authors： Grimbizis GF,Camus M,Tarlatzis BC,Bontis JN,Devroey P

更新日期：2001-03-01 00:00:00

abstract：BACKGROUND:Mild ovarian stimulation has emerged as an alternative to conventional IVF with the advantages of being more patient-friendly and less expensive. Inadequate data on pregnancy outcomes and concerns about the cycle cancellation rate (CCR) have prevented mild, or low-dose, IVF from gaining wide acceptance. OBJ...

journal_title：Human reproduction update

authors： Datta AK,Maheshwari A,Felix N,Campbell S,Nargund G

更新日期：2020-11-04 00:00:00