Antenatal screening for Down's syndrome in assisted reproductive pregnancies.

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：BACKGROUND:Despite great advances in assisted reproductive technology, poor ovarian response (POR) is still considered as one of the most challenging tasks in reproductive medicine. OBJECTIVE AND RATIONALE:The aim of this systemic review is to evaluate the role of different adjuvant treatment strategies on the probabi...

journal_title：Human reproduction update

authors： Zhang Y,Zhang C,Shu J,Guo J,Chang HM,Leung PCK,Sheng JZ,Huang H

更新日期：2020-02-28 00:00:00

abstract：:During the last decade oocyte donation has been highly successful for treating women previously thought to be hopelessly infertile. The pregnancy rate after oocyte donation is among the highest reported for any fertility-enhancing procedure. Most investigators have noted an increased rate of obstetric complications in...

journal_title：Human reproduction update

authors： Söderström-Anttila V

更新日期：2001-01-01 00:00:00

abstract：:After colonization of the gonad, mouse female germ cells enter into the prophase of the first meiotic division as a mid-gestational hallmark of gender. Perinatally, oocytes interact with granulosa cells to form primordial follicles which, with cyclic periodicity, enter into a 3-week growth phase that culminates in mei...

journal_title：Human reproduction update

authors： Amleh A,Dean J

更新日期：2002-09-01 00:00:00

abstract：:It has long been known that the testis is an immunologically privileged site in the body, and that human seminal plasma possesses a generalized immunosuppressive activity. Multiple factors participate in the establishment of immunotolerance in the testis: the blood-tubular barrier; the local production of immunosuppre...

journal_title：Human reproduction update

authors： Filippini A,Riccioli A,Padula F,Lauretti P,D'Alessio A,De Cesaris P,Gandini L,Lenzi A,Ziparo E

更新日期：2001-09-01 00:00:00

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：:The menopausal transition is an area of active clinical investigation and epidemiological research. Recent results from several worldwide cohorts of women are beginning to provide a paradigm by which to explain the epidemiological and clinical manifestations of the ovarian process of follicle attrition. Genetic resear...

journal_title：Human reproduction update

authors： Santoro N

更新日期：2002-03-01 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：:Great progress had been achieved during the last 20 years in the field of ovulation induction in patients with polycystic ovary syndrome (PCOS). Clomiphene citrate remains the first line of treatment for all anovulatory women with PCOS, since in properly selected patients the cumulative pregnancy rate approaches that ...

journal_title：Human reproduction update

authors： Messinis IE,Milingos SD

更新日期：1997-05-01 00:00:00

abstract：BACKGROUND:Fear from increased cancer risk is one of the most significant reasons for low acceptance of reliable contraceptive methods and low compliance. METHODS:In this review, we included all cohort and case-control studies published in English up to December 2008. They were identified through a search of the liter...

journal_title：Human reproduction update

authors： Cibula D,Gompel A,Mueck AO,La Vecchia C,Hannaford PC,Skouby SO,Zikan M,Dusek L

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:Uterine leiomyomas (fibroids) are highly prevalent benign smooth muscle tumors of the uterus. In the USA, the lifetime risk for women developing uterine leiomyomas is estimated as up to 75%. Except for hysterectomy, most therapies or treatments often provide only partial or temporary relief and are not succe...

journal_title：Human reproduction update

authors： Commandeur AE,Styer AK,Teixeira JM

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:The reproductive impact of adenomyosis and endometriosis is widely researched but the extent of these impacts remains elusive. It has been demonstrated that endometriosis, in particular, is known to result in subfertility but endometriosis and adenomyosis are increasingly linked to late pregnancy complicatio...

journal_title：Human reproduction update

authors： Horton J,Sterrenburg M,Lane S,Maheshwari A,Li TC,Cheong Y

更新日期：2019-09-11 00:00:00

abstract：BACKGROUND:The existence of stem/progenitor cells in the endometrium was postulated many years ago, but the first functional evidence was only published in 2004. The identification of rare epithelial and stromal populations of clonogenic cells in human endometrium has opened an active area of research on endometrial st...

journal_title：Human reproduction update

authors： Gargett CE,Schwab KE,Deane JA

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:Because of the substantial energy demands of reproduction, the brain must temper the fertility of individuals to match nutritional availability. Under-nutrition is associated with infertility in humans and animals. The brain uses adipose- and gut-derived hormones, such as leptin, insulin and ghrelin, to modu...

journal_title：Human reproduction update

authors： Evans JJ,Anderson GM

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:Human pregnancy requires robust hemostasis to prevent hemorrhage during extravillous trophoblast (EVT) invasion of the decidualized endometrium, modification of spiral arteries and post-partum processes. However, decidual hemorrhage (abruption) can occur throughout pregnancy from poorly transformed spiral ar...

journal_title：Human reproduction update

authors： Schatz F,Guzeloglu-Kayisli O,Arlier S,Kayisli UA,Lockwood CJ

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:The effect of postmenopausal hormone therapy (HT) on cardiovascular disease (CVD) risk remains controversial. OBJECTIVE AND RATIONALE:We aimed to systematically review the evidence regarding the role of dose, route of hormone administration, timing of initiation and duration of HT on cardiovascular risk amo...

journal_title：Human reproduction update

authors： Oliver-Williams C,Glisic M,Shahzad S,Brown E,Pellegrino Baena C,Chadni M,Chowdhury R,Franco OH,Muka T

更新日期：2019-03-01 00:00:00

abstract：:Nitric oxide (NO) is an important mediator of paracrine interactions, especially within the vascular system. It is a powerful inhibitor of platelet aggregation and a potent vasodilator. NO is also a neurotransmitter and it plays a role in cell-mediated cytotoxicity. NO-generating enzymes (nitric oxide synthases, NOS) ...

journal_title：Human reproduction update

authors： Cameron IT,Campbell S

更新日期：1998-09-01 00:00:00

abstract：:Anti-Müllerian hormone (AMH) produced by fetal Sertoli cells is responsible for regression of Müllerian ducts, the anlage for uterus and Fallopian tubes, during male sex differentiation. A member of the transforming growth factor-beta superfamily, AMH signals through two transmembrane receptors, type II which is speci...

journal_title：Human reproduction update

authors： Josso N,Belville C,di Clemente N,Picard JY

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND:Preimplantation embryos are particularly susceptible to in vitro developmental blocks. These could be alleviated by lowering culture medium osmolarity. Because mammalian cells regulate their volumes by adjusting intracellular osmotic pressure, cell volume regulation could be critical to early embryos. METHO...

journal_title：Human reproduction update

authors： Baltz JM,Tartia AP

更新日期：2010-03-01 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：: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：:Cryopreservation of testicular tissue might benefit prepubertal boys who must undergo chemotherapy or radiotherapy. Cryopreservation of testicular tissue and testicular cells for intracytoplasmic sperm injection (ICSI) is feasible and widely applied. Testicular tissue from prepubertal boys can also be frozen, by apply...

journal_title：Human reproduction update

authors： Hovatta O

更新日期：2001-07-01 00:00:00

abstract：BACKGROUND:Genetic testing of preimplantation embryos has been used for preimplantation genetic diagnosis (PGD) and preimplantation genetic screening (PGS). Microarray technology is being introduced in both these contexts, and whole genome sequencing of blastomeres is also expeted to become possible soon. The amount of...

journal_title：Human reproduction update

authors： Hens K,Dondorp W,Handyside AH,Harper J,Newson AJ,Pennings G,Rehmann-Sutter C,de Wert G

更新日期：2013-07-01 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

abstract：:Protamines are the major nuclear sperm proteins. The human sperm nucleus contains two types of protamine: protamine 1 (P1) encoded by a single-copy gene and the family of protamine 2 (P2) proteins (P2, P3 and P4), all also encoded by a single gene that is transcribed and translated into a precursor protein. The protam...

journal_title：Human reproduction update

authors： Oliva R

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND:It has been hypothesized that certain obstetrical populations, including women who conceive using assisted reproductive technologies (ART) and women with multiple births, may be at increased risk for postpartum depression. In this systematic literature review, we examine the published evidence for this hypot...

journal_title：Human reproduction update

authors： Ross LE,McQueen K,Vigod S,Dennis CL

更新日期：2011-01-01 00:00:00

abstract：:This review presents detailed risk estimates from relevant epidemiological and other studies on the comparative safety of second and third generation oral contraceptives (OC). Written with the intention of presenting a repository of the available information, it also discourses briefly into the symptomatology and diag...

journal_title：Human reproduction update

authors： Edwards RG,Cohen J

更新日期：1999-11-01 00:00:00

abstract：BACKGROUND:First-trimester miscarriage affects up to a quarter of women worldwide. With many competing treatment options available, there is a need for a comprehensive evidence synthesis. OBJECTIVES AND RATIONALE:We conducted a systematic review and network meta-analysis to assess the effectiveness and safety of treat...

journal_title：Human reproduction update

authors： H Al Wattar B,Murugesu N,Tobias A,Zamora J,Khan KS

更新日期：2019-05-01 00:00:00

abstract：BACKGROUND:Transfer of more than a single embryo in an IVF cycle comes with the finite possibility of a multiple gestation. Even a twin pregnancy confers significant risk to both mother and babies. The move to single-embryo transfer for all patients will be greatly facilitated by the ability to quantify embryo viabilit...

journal_title：Human reproduction update

authors： Gardner DK,Meseguer M,Rubio C,Treff NR

更新日期：2015-11-01 00:00:00

abstract：:There has been an improvement in the blastocyst rates achieved following in-vitro embryo production that can largely be attributed to improved embryo culture conditions based on an increased knowledge of the in-vivo environment, as well as the metabolic needs of the embryo. Despite this, in-vitro oocyte maturation (IV...

journal_title：Human reproduction update

authors： Sutton ML,Gilchrist RB,Thompson JG

更新日期：2003-01-01 00:00:00