Abstract:
:Retrospective observational studies have suggested that delivery at or beyond 39 weeks has numerous neonatal benefits including less need for respiratory support, fewer neurodevelopmental delays and lower health care costs. This has lead governmental agencies, and professional organizations to endorse a policy of limiting elective delivery prior to 39 weeks. Nonetheless, studies which have examined the implications of instituting such policies, have demonstrated mixed benefits and signaled some concerns about unintended outcomes, such as stillbirth. This chapter will detail the evidence that these policies have on certain neonatal outcomes and examine why the promise of such policies may remain unfilled.
journal_name
Clin Obstet Gynecoljournal_title
Clinical obstetrics and gynecologyauthors
Hoffman MK,Merriam AA,Ehrenthal DBdoi
10.1097/GRF.0000000000000030subject
Has Abstractpub_date
2014-06-01 00:00:00pages
401-14issue
2eissn
0009-9201issn
1532-5520journal_volume
57pub_type
杂志文章abstract::Norgestimate (NGM) is one of a class of newer, more selective progestins. The authors describe its structure and biologic activity, contraceptive effectiveness, cycle control, metabolic effects, carbohydrate metabolism, coagulation factors, and clinical side effects. NGM-containing oral contraceptives (OC), either a...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199538040-00019
更新日期:1995-12-01 00:00:00
abstract::Magnetic resonance imaging has a complementary role in obstetrical imaging to ultrasound (US). Although US has advantages as an initial imaging technique, there are significant numbers of patients who cannot be adequately evaluated for a variety of reasons including calvarial calcification, oligoanhydramnios, or simpl...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e3182487d04
更新日期:2012-03-01 00:00:00
abstract::In selected patients who are hemodynamically stable with an unruptured tubal pregnancy, systemic methotrexate has success rates comparable to laparoscopic salpingostomy. Larger randomized studies are necessary to adequately assess subsequent fertility. Local injection of methotrexate or other agents requires a sonogra...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199806000-00019
更新日期:1998-06-01 00:00:00
abstract::One in 1000 pregnancies is complicated with cancer with the most common tumors being breast cancer, cervical cancer, thyroid, leukemia, lymphoma, and ovarian cancer. It is often assumed that cancer during pregnancy necessitates sacrificing the well-being of the fetus but in most cases appropriate treatment can be offe...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e318236e9f9
更新日期:2011-12-01 00:00:00
abstract::Diagnosis of the cause of pruritus in a pregnant patient should be approached systematically, beginning with a detailed history (especially drug exposure) and physical examination. Systemic diseases must be excluded. Liver function tests and hepatitis screen are in order if symptoms suggest liver dysfunction. Stool ex...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199012000-00007
更新日期:1990-12-01 00:00:00
abstract::Maternal mortality is a complex problem requiring complex responses. Nevertheless, every intervention must operate through one of 3 pathways: preventing pregnancy, preventing complications, or preventing death when obstetric complications occur. We describe interventions following each pathway and assess their evidenc...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章
doi:10.1097/GRF.0b013e3181a4bddb
更新日期:2009-06-01 00:00:00
abstract::The advent of ultrasound fetal imaging and the evolution of dynamic imaging (real-time) methods have opened great new vistas in which fetal responses can be monitored with remarkable precision and clarity. Contained within this new wealth of information may lie the key to direct determination of the fetus at risk for ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199503000-00006
更新日期:1995-03-01 00:00:00
abstract::The simple mnemonic ABCDE summarizes the five key principles of neonatal resuscitation: 1. Airway 2. Breathing 3. Circulation 4. Drugs 5. Evaluation of concurrent and causative problems and maintenance of a neutral thermal Environment. ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-198709000-00015
更新日期:1987-09-01 00:00:00
abstract::There is compelling data and a rationale for embarking on screening to identify pregnant women with some of the multiple classes of subclinical thyroid dysfunction. However, the evidence to support such screening and treatment is lacking. Several important trials are underway or undergoing peer review that may provide...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e31822e27e3
更新日期:2011-09-01 00:00:00
abstract::The majority of ectopic pregnancies can be diagnosed on transvaginal scan before treatment. Diagnosis should be based on positive visualization of an ectopic pregnancy rather the inability to visualize an intrauterine pregnancy. The majority of ectopic pregnancies will be visible on the initial transvaginal scan perfo...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e31824e35fe
更新日期:2012-06-01 00:00:00
abstract::Hemorrhage is the most common cause of maternal mortality worldwide, and represents the third most common obstetrical cause of maternal death in the United States. Although uterine atony was previously a major cause of peripartum hemorrhage, more recently, it appears that abnormal placentation is the leading etiology ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0000000000000062
更新日期:2014-12-01 00:00:00
abstract::Fetal glucocorticoid overexposure is a key potential mechanism underlying the link between low birthweight and later life diseases. The fetus is protected from high maternal glucocorticoid levels by the placental enzyme 11β-hydroxysteroid dehydrogenase type 2. Antenatal glucocorticoid administration to women at threat...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e31829939f7
更新日期:2013-09-01 00:00:00
abstract::A brief review of cervical intraepithelial neoplasia has been presented. Attempts have been made to identify the high-risk patient, and etiologic considerations have been detailed. The conservative management of cervical intraepithelial neoplasia is available and applicable to many patients. Regardless of the definiti...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-198003000-00021
更新日期:1980-03-01 00:00:00
abstract::In this review I have briefly outlined some of the cellular and molecular reasons for dystocia. I have described the myogenic, that may control the normal progression of labor and explain inadequate uterine contractility associated with dystocia. I have placed particular emphasis on our studies of gap junctions and th...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-198703000-00004
更新日期:1987-03-01 00:00:00
abstract::The recent clinical trials indicate that EA is feasible. The use of ancillary tools, such as ultrasound, requires only a slight modification of the previously established techniques for MA. The amniotic fluid can be obtained and cultured. Combining the reported populations sampled, the procedural and cytogenetic failu...
journal_title:Clinical obstetrics and gynecology
pub_type: 临床试验,杂志文章,评审
doi:10.1097/00003081-198806000-00011
更新日期:1988-06-01 00:00:00
abstract::Prenatal diagnostics has seen a rapid increase in the number of genetic disorders amenable to prenatal detection owing to advances in technology and research into the genetic etiology of many conditions. This article reviews the more traditional prenatal diagnostic techniques, such as amniocentesis and chorionic villu...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e3181616509
更新日期:2008-03-01 00:00:00
abstract::Because it is known that antibiotics given to the mother may reach and affect the fetus, when prescribing antibiotics during pregnancy, one must take into consideration both maternal and fetal well-being. Therapy should be directed toward the maternal disease but also be safe for the fetus. The volume of distribution ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章
doi:10.1097/00003081-199312000-00012
更新日期:1993-12-01 00:00:00
abstract::Counseling regarding the options for aneuploidy risk assessment is complicated and requires thorough counseling with the patient. Second trimester serum risk assessment has been the gold standard because of widespread availability, low cost, and vast experience with counseling and performance. First trimester risk ass...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e31804c9b99
更新日期:2007-06-01 00:00:00
abstract::Pregnancy failure is defined as a lack of sonographic evidence of current or expected viability. Technologic advances in ultrasound imaging continue to redefine diagnostic criteria of pregnancy failure or success. When evaluating a pregnancy, the first step is an assessment of maternal risk factors for failure. Imagin...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章
doi:10.1097/GRF.0000000000000301
更新日期:2017-09-01 00:00:00
abstract::Embolic phenomena in pregnancy demand rapid investigation and treatment. Regardless, some patients will not survive due to the enormity of the insult. Optimally, such patients should be treated in tertiary care centers, but this is not always possible. ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199009000-00013
更新日期:1990-09-01 00:00:00
abstract::State Perinatal Quality Collaboratives (PQCs) represent a major advance for scaling up quality improvement efforts for reducing maternal mortality and severe maternal morbidity. The critical roles of partners, rapid-cycle low-burden data systems, and linkage to maternal mortality review committees are reviewed. The ch...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章
doi:10.1097/GRF.0000000000000361
更新日期:2018-06-01 00:00:00
abstract::The role of oxytocin and oxytocin receptors in preterm labor is perhaps more prominent than once thought. The blockade of oxytocin and/or oxytocin receptors has both a theoretical and clinical aspect. Initial trials with the oxytocin antagonist atosiban have been encouraging with respect to efficacy and side effect pr...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199538040-00007
更新日期:1995-12-01 00:00:00
abstract::Current findings continue to support the concept of a biologically defective decidua rather than a primarily abnormally invasive trophoblast. Prior cesarean sections increase the risk of placenta previa and both adherent and invasive placenta accreta, suggesting that the endometrial/decidual defect following the iatro...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0000000000000392
更新日期:2018-12-01 00:00:00
abstract::Influenza infection during pregnancy imparts disproportionate morbidity and mortality. This has been primarily noted during occasional influenza pandemics but also during seasonal epidemics. The majority of pregnant women who contract influenza appear to have a mild, self-limited course. However, influenza produces a ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章
doi:10.1097/GRF.0b013e31827146bd
更新日期:2012-12-01 00:00:00
abstract::Abdominal myomectomy and hysterectomy remain the traditional treatment of large symptomatic uterine myomas. The preoperative indications for abdominal myomectomy or hysterectomy must be clearly evaluated and delineated avoid unnecessary intervention. There appears to be an increasing trend toward expectant management ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-200106000-00024
更新日期:2001-06-01 00:00:00
abstract::1. The use of ultrasound may improve perinatal outcome in twin pregnancy. 2. Singleton growth curves for FL, BPD, and AC may be used to assess fetal growth prior to 28 weeks gestation. 3. After 28 weeks gestation, specific twin growth curves should be used. However, increased morbidity may be seen when fetal weight fa...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/00003081-199003000-00008
更新日期:1990-03-01 00:00:00
abstract::Prospective studies that begin during pregnancy and follow the mothers and children into adolescence have shown that maternal mental illness during the antenatal and postpartum period can have long-lasting negative consequences on the developing child. The findings from these prospective studies and a discussion of th...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e3181b52930
更新日期:2009-09-01 00:00:00
abstract::In recent years it has been recognized that in all phases of life, including pregnancy, physical activity promotes health benefits and precludes comorbidities, the scientific evidence is indisputable. Several organizations around the world have updated in recent years the guidelines and recommendations for exercise in...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0000000000000223
更新日期:2016-09-01 00:00:00
abstract::Physicians and other health care providers requesting dual-energy x-ray bone density studies must be able to critically review and interpret such studies. This requires an understanding of the computerized result components of the studies and how such data can be applied in clinical practice. The timing and interpreta...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e3182a8240c
更新日期:2013-12-01 00:00:00
abstract::The vaginal contraceptive ring is comprised of ethinyl vinyl acetate that releases ethinyl estradiol and the third-generation progestin, etonorgestrel. It was approved by the Food and Drug Administration in 2001. The vaginal contraceptive ring is highly efficacious with a Pearl Index of 1.18 and an efficacy of 99.1%. ...
journal_title:Clinical obstetrics and gynecology
pub_type: 杂志文章,评审
doi:10.1097/GRF.0b013e318159c07e
更新日期:2007-12-01 00:00:00