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 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

It was the aim of this study to evaluate the obstetric performance of Ethiopian Jewish immigrants in comparison to the general Jewish obstetric population. The study was performed at the Soroka Medical Center, Beer Sheva, which manages the busiest delivery ward in Israel. Between 1988 and 1991 a total of 20,047 non-Ethiopian women (Group N) and 431 parturients of Ethiopian origin (group E) delivered at the Soroka Medical Center. Group E included a significantly higher percentage of grandmultiparous women than group N. Among diseases complicating pregnancy there was a statistically significant higher incidence of severe pregnancy-induced hypertension (PIH) in group E than in group N. Mild PIH and chronic hypertension were of comparable prevalence in both groups. The prevalence of class A diabetes mellitus was significantly lower in group E than in group N; the same trend was also observed for diabetes class B but without reaching statistical significance. There was no significant difference between the groups in the prevalence of polyhydramnios, postdatism and poor obstetric history, or fetal distress, s/p cesarean section, and prolapse of cord. Statistical analysis indicated a tendency towards significance for higher prevalence of premature rupture of membranes in group N. Malpresentations and malpositions were of similar prevalence in both groups. The incidence of premature delivery in group E showed a higher relative risk, suggesting a tendency of significance. The incidence of meconium-stained amniotic fluid in group E was significantly higher than in group N. There was no significant difference in the prevalence rates of placental complications such as placenta previa and abruption of placenta between the groups. The mode of delivery, the prevalence of complications during the third stage of labor, birthweight of infants and perinatal mortality were similar for both groups. In conclusion, the obstetric performance in Ethiopian Jewish immigrants is surprisingly similar to that of Israeli Jewish parturients. The only prominent pathology that does not seem to be related to life-style and nutrition is pregnancy-induced hypertension.
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PMID:Obstetric performance in Ethiopian immigrants compared with Israeli parturients. 834 62

The overall rate of induction of labor in the United States in 1993 was 134 per 1,000 live births, or over 527,000 of the four million births that occur annually in the United States. Indications for labor induction include postdate pregnancy, premature rupture of membranes (PROM), and maternal medical complications, such as diabetes mellitus and pregnancy-induced hypertension. This article briefly reviews common indications for induction of labor and the importance of cervical ripening. It then addresses methods used to hasten cervical ripening and to induce labor, ranging from the more "natural" and noninvasive methods, such as nipple stimulation, to the newest commercially available formulation of prostaglandin. Methods well documented in the scientific literature, as well as those commonly used but less well studied, are included. Although one may argue about the "invasive" nature of these methods, they are addressed, in general, from the most natural methods to the latest pharmacologic methods, and they include the following: sexual intercourse, nipple/breast stimulation, herbal preparations, homeopathic solutions, castor oil, enemas, acupuncture, membrane sweeping or stripping, mechanical dilation (balloon catheters, laminaria, and synthetic osmotic dilators), amniotomy, and pharmacologic hormonal preparations (prostaglandin E2, oxytocin, misoprostol, mifepristone, and relaxin).
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PMID:Methods of cervical ripening and labor induction. 910 14

To assess epidemiologic risk factors for preterm birth subcategories in an urban population, we undertook a study of 31,107 singleton livebirths that took place at Mount Sinai Hospital in New York City between 1986 and 1994. We subdivided the preterm births into preterm premature rupture of the membranes, preterm labor, and medically induced births. We obtained information regarding the preterm subtypes and their epidemiologic risk factors from a computerized perinatal database. Adjusted odds ratios showed an increased risk for all three preterm birth subtypes in women who were black (1.9 for preterm premature rupture of membranes, 2.1 for preterm labor, and 1.7 for medically induced births) or Hispanic (1.7 for preterm premature rupture of membranes, 1.9 for preterm labor, and 1.6 for medically induced births), those who had had a previous preterm birth (3.2 for preterm premature rupture of membranes, 4.5 for preterm labor, and 3.3 for medically induced births), those who began prenatal care after the first trimester ( 1.4 for preterm premature rupture of membranes, 1.3 for preterm labor, and 1.3 for medically induced births), women who had been exposed to diethylstilbestrol in utero (3.1 for preterm premature rupture of membranes, 4.1 for preterm labor, and 3.7 for medically induced births), patients with preexisting diabetes mellitus (2.2 for preterm premature rupture of membranes, 2.4 for preterm labor, and 9.5 for medically induced births), and those with antepartum bleeding (2.8 for preterm premature rupture of membranes, 3.6 for preterm labor, and 3.7 for medically induced births). Other sociodemographic, constitutional, life-style, and obstetrical characteristics differed across the groups. Variation in some of the risk factors among the preterm subtypes implies that epidemiologic assessment of the more specific outcomes would be advisable.
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PMID:Risk factors for preterm birth subtypes. 958 19

Most frequently, placental glycogen has been studied as an index of fetal nutrition. There are no published studies of placental glycogen as an index of fetal stress. In this study of 1573 samples from 71 placentae, glycogen levels in the placental disk, fetal membranes and umbilical cord of normal uncomplicated pregnancies were compared with those in complicated pregnancies. The complicated pregnancies included preterm delivery, hypertensive disorders, inadequate prenatal care, substance abuse, maternal fever or infection, obesity, diabetes mellitus, premature rupture of membranes, intrauterine growth retardation, sickle cell trait, and acute meconium staining of amniotic fluid at delivery. The data showed that the only significant differences were in the subgroup complicated by meconium-stained amniotic fluid in which the placental disks and umbilical cords had significantly lower (P=0.0006) glycogen levels. This finding suggests a relatively specific association. It is interesting to speculate that the passage of meconium with its vasoconstrictive effect increases utilization of local glycogen stores, decreases local glycogen reserves needed for the work of further vasoconstriction, and, in the event of subsequent acute stress, impairs vascular perfusion of tissues. In this way, meconium could predispose the infant to asphyxia.
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PMID:Decreased placental and umbilical cord glycogen levels associated with meconium-stained amniotic fluid. 963 25

To test the hypothesis that fetal pancreatic exocrine and endocrine function are stimulated in parallel in the diabetic pregnancy, 68 mothers with gestational and pregestational diabetes who underwent amniocenteses after 34 weeks' for the evaluation of fetal lung maturity were enrolled. Amniotic fluid specimens were analyzed for C-peptide and trypsin content. Amniotic fluid specimens were obtained from 92 non-diabetic women undergoing amniocenteses for lung maturity, preterm labor, or premature rupture of membranes. Groups were compared using the Wilcoxon rank-sum test, Kruskal Wallis rank sum test, and Spearman's rank correlation test. C-peptide amniotic fluid concentrations were significantly greater in diabetics (median 0.6 ng/ml) than non-diabetics (median 0.4 ng/ml, P= 0.0001), in pregestational (median 0.6 ng/ml) vs. gestational diabetics (median 0.4 ng/ml, P = 0.006), and greater in proportion to severity of disease according to diabetic class (A1 = 0.4 ng/ml, A2 = 0.55 ng/ml, B = 0.6 ng/ml, C = 0.7 ng/ml, D = 0.85 ng/ml, P = 0.04). No significant differences were detected in amniotic fluid trypsin between the diabetic and non-diabetic or the gestational and non-gestational diabetic groups. There was no correlation between C-peptide and trypsin within the diabetic groups. Stimulation of the exocrine and endocrine pancreas does not occur in parallel in the fetus of the diabetic mother. Although originating as a single organ, pancreatic exocrine and endocrine functions are distinct in both physiologic and pathologic conditions.
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PMID:Effect of maternal diabetes on the fetal exocrine pancreas. 1008 86

The obstetrical and neonatal courses in pregnancies following orthotopic liver transplantation were studied. Maternal and neonatal records were reviewed from six patients (eight pregnancies), cared for by a single practitioner, who had undergone orthotopic liver transplantation prior to pregnancy between 1984 and 1999. Demographic data, reason for transplantation, interval from transplantation to pregnancy, immunosuppressive agents, antepartum complications, and maternal and neonatal outcomes were reviewed. Many reasons for transplantation were noted, and no acute graft rejection occurred. Maternal complications noted were mild renal insufficiency, chronic hypertension, pregestational diabetes, and erythema nodosum. Antepartum complications included oligohydramnios, preterm labor, premature rupture of membranes, severe preeclampsia, fetal growth restriction, multiple congenital anomalies, and intra-amniotic infection. There was one miscarriage at 8 weeks, one previable and one periviable delivery, and the remainder delivered after 34 weeks. In our cohort of patients, once fetal viability was achieved, patients with a prior liver transplant had reasonable maternal and neonatal outcomes.
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PMID:Obstetrical and neonatal outcome in pregnancies after liver transplantation. 1114 11

The use of perinatal steroid therapy, first introduced in 1972 is effective in precocious maturation of human lungs. Antenatal corticosteroid therapy results in reduction of fetal mortality, respiratory distress syndrome, intraventricular hemorrhage in preterm babies. These benefits extend to a broad range of gestational age. They comprise the interval between 24 and 34 weeks of human pregnancy and are not limited by the infant's gender or race. The beneficial effects of corticosteroids are the best pronounced after more than 24 hours from the beginning of the treatment. Noteworthy is that therapy less than 24 hours of duration may also improve outcomes. In the presence of premature rupture of membranes, or better with intact membranes, antenatal corticosteroids reduce frequency of RDS, IVH and finally mortality and morbidity. Review of meta-analyses based on randomized trials supports general option that premature infants whose mothers received corticosteroids before delivery are less likely to develop RDS and its complications. Recent data showed that benefits derived from ANS are additive to those of surfactant therapy, rendering the latter more effective. Followup of children up to 12 years of age indicate that ANS do not impair physical growth or psychomotor development. Short-term adverse effects including maternal infection, maternal pulmonary edema were not clearly demonstrated. Pulmonary edema has not been reported when ANS were used alone (i.e. not in combination with betamimetic tocolytics). No long-term unwanted effects on maternal adrenal function have been observed. There is no serious maternal risk resulting from immunosuppressive effect of corticosteroid therapy on maternal immune system. Although glucocorticoid therapy is likely to provoke insulin resistance, and thereby deterioration in diabetic control, and potentially causes cortisol resistance in the fetal lung, the results of scarce randomized trials are not conclusive. In any rate strict control of maternal diabetes mellitus reduces incidence of RDS. Current available data are not indicative of higher risk of fetal mortality in association with maternal hypertensive disease and ANS. In conclusion, most randomized trials of ANS has provided a positive evidence of efficacy and safety of this highly cost effective therapy in most common clinical situations. However, further trials and more precise estimates are justified on ANS treatment specifically related to blood glucose control and evidence concerning the promotion of fetal lung maturity in babies of women with diabetes mellitus. Although benefits of the corticosteroid therapy are beyond any doubts, more experience is needed to assess the effect of ANS on maternal and/or fetal infection in presence of premature rupture of membranes. And finally, further assessments are required on antenatal corticosteroids with dose regimens in patients with multifetal gestation, more common after wide use of techniques of the assisted human reproduction.
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PMID:[Intrauterine stimulation for fetal respiratory system maturation; benefits and risks]. 1114 22

Prematurity is a major cause of perinatal morbidity and mortality. Antenatal administration of glucocorticoids improves the neonatal outcome of preterm born infants. 1994 the NIH published recommendations for the use of glucocorticoids for women at risk of preterm delivery. A recent evaluation by the Cochrane Collaboration in 1999 showed that antenatal administration of glucocorticoids significantly reduced the rate of RDS and IVH in the gestational age between 24 and 34 weeks. Consequences of repeated courses of antenatal glucocorticoids are not sufficiently studied. The effectivity and safety regarding birth weights, infectious diseases, and the best timing remains unknown. Administration of glucocorticoids lowers fetal activity and heart rate variability. Effects on fetal growth, maternal and fetal immunosystem, and the development of atopic diseases are controversely discussed. Thus preterm labour not leading to a cervical ripening is not necessarily a reason for antenatal glucocorticoids. Antenatal glucocorticoids with PROM do not lower the rate of RDS but of IVH. No prospective randomized trial evaluated the effectivity of antenatal glucocorticoids in diabetes mellitus and IUGR. In preeclampsia beta-methason could improve the rate of RDS and the neonatal outcome. Still our knowledge of antenatal glucocorticoid administration is not sufficient. But despite possible (longtime-) risks for mother and child the administration of glucocorticoids according to the guidelines of the NIH is a major part in the treatment of prematurity and improves the outcome of premature infants. The indication for multiple courses of glucocorticoids should be considered carefully.
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PMID:[Lung maturation therapy with glucocorticoids in threatened premature labor. Considerations of risk-benefit in evidence-based medicine]. 1119 48

Studies of risk factors for abruptio placentae (AP) are partly conflicting and studies of risk factors for perinatal death in these pregnancies are scarce. Using the population-based Swedish Birth Registry from 1987 to 1993, we were able to study these risks in 795,459 singleton pregnancies. Logistic regression analysis was used to estimate odds ratios (OR) for risk of AP and risk of perinatal death in pregnancies with and without AP. Risk factors for AP were: age, primiparity, high parity, not cohabiting with infant's father, low education, smoking, infertility, pregestational diabetes, essential hypertension, pregnancy-induced hypertensive diseases, preterm premature rupture of membranes, preterm birth and small-for-gestational-age (SGA) births. Risk factors for perinatal death in pregnancies with placental abruption were smoking (1--9 and > or =10 cigarettes/day; OR 1.4 and 1.7 respectively), severe pre-eclampsia (OR 2.0) and SGA (OR 1.9), whereas in pregnancies without abruption, risks were also increased in maternal age > or =35 years, primiparity, infertility, essential hypertension and pregestational diabetes. These findings support the theory that, in cases of AP, a general impairment of the placenta and/or a defect placentation may be fatal.
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PMID:Placental abruption and perinatal death. 1148 59

The purpose of this prospective and case controlled study is to determine the effectiveness and safety of antibiotic prophylaxis with Tercef (ceftriaxone) in women undergoing cesarean section and to compare the results with those of 24 hours regiment of Cefazolin and also with a group without prophylaxis. The study includes 122 cases of elective and emergency CS: 41 with a single intravenous dose of 1.0 g Tercef after clamping of the umbilical cord; 41 cases of antibiotic prophylaxis with Cefazolin three times 2.0 g for 24 hours and 40 low infectious risk CS without antibiotic prophylaxis. We take in account the existing before the CS risk factors for postoperative infectious complications as: hours of PROM; length of labor, number of vaginal examinations before CS, previous sections, duration of the operation, anemia, bacteriuria and diabetes. For post CS infection-related complications we take: febrile morbidity, endometritis, wound infections, infection of urinary tract. The results show infection complication in the three groups as follow: 14.6% for tercef, 17.1% for cefazolin and 20.0% for the group without antibiotic. There is not statistically significant difference. According our study in cases of CS with increased risk of post-operative infectious complications the antibiotic prophylaxis reduce the rate of infection-related complications even below that of CS with low infectious risk. The single dose of 1 g tercef i.v. is effective and suitable in comparison with 24 hours regiment of cefazolin.
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PMID:[Prophylaxis with tercef of infection-related complications after cesarean section]. 1179 56


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