Effects of incentive on the acceptability of sterilization in rural area in Korea.
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Asia↗
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[Social class and inequalities in mortality under one year of age in Morocco].
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Africa↗
[Access to health care for an induced abortion: qualitative and quantitative approaches].
BACKGROUND: Despite recent studies showing evidence that the organisation of the French health care system raises some problems concerning access to abortion, far little is known on the reality of access conditions and the views of women on the difficulties they experience when they attend an abortion clinic. In this article, we discuss the complementarity of materials from two surveys one qualitative, the other quantitative in the study of patterns of care for an abortion. METHODS: The qualitative survey included 51 women who reported a history of induced abortion, selected from a qualitative study on unintended pregnancy in France. The quantitative survey included 480 women, who had an abortion in the past 10 years. These women were selected from a representative sample of 2863 women aged 18 to 44, who participated in a study on contraception and abortion. RESULTS: The variety of patterns of care for an abortion, the rareness of dysfunctions in the health care system and the importance of the first professional women contacted, demonstrated in the qualitative survey, were confirmed in the quantitative survey. The quantitative survey enabled quantifying the distribution of the different patterns of care. It also permitted to identify factors associated with the choice of first professional contacted and with the type of subsequent patterns of care. The qualitative survey permitted to explore these patterns of care and to highlight the interaction between the women's request and the representation of the legitimacy of their request. Difficulties of access seemed to be linked to the lack of support women experienced in the process of finding an abortion clinic. Results suggest that general practitioners are less well informed of the procedures required for an abortion than other professionals. However, the qualitative survey also shows that problems of access cannot be reduced to the lack of information of professionals, as their practice was also linked to their own representation of abortion, and their perception of the legitimacy of the women's request. CONCLUSION: Our results underline the need for the definition of a clear health policy that should include two priorities: the improvement of the visibility of health care supply for an abortion and the promotion of information delivered to health care professionals.
Abortion, Induced↗
[Vitamin A in the serum of healthy probands and clinical groups].
The estimation of vitamin A in serum of patients suffering from different diseases (M. Crohn, Hypothyroidism, Hyperthyroidism, Liver cirrhosis, Renal insufficiency, Carcinoma of Prostate, ENT-Carcinomas) and healthy controls by means of a recent developed method (HPLC) is reported. Decreased and increased vitamin A serum levels had been reported in literature during different diseases but we could not reveal identical results in all cases. Significantly lowered values were only estimated in patients suffering from liver cirrhosis whereas increased vitamin A serum levels were determined during renal insufficiency. In hypo- or hyperthyroidism there was no difference from healthy persons. In patients with Crohn's disease the distribution of vitamin A concentrations in serum was bimodal, probably depending on extension and localization of the process. Patients with carcinoma of the prostate had only minor deviations from the normal value, whereas patients with tumors of the larynx had in part very low vitamin A concentrations with a bimodal distribution. Causes for the deviations and consequences for the assessment of the vitamin A status of patients under intravenous alimentation are discussed.
Contraceptives, Oral, Hormonal↗
A review of induced abortion rates in England and Wales, 1969-1994.
This study examines trends in induced abortion rates in England and Wales, from 1969 to 1994. A comparison of the trends between the different age groups shows contrasting changes and interesting features. The only age group to show a continuous increase since 1969 has been females aged 11 to 14 years. This may be due to birth cohort effect, as younger women begin sexual activity in a social environment of higher risk than previous cohorts. These considerations have important implications for the organisation of preventive services particularly health education. In spite of the availability of improved and better contraceptive services and sex education, the cohort analysis suggests that induced abortion rates in each successive cohort was higher than the preceding cohort.
Abortion, Induced↗
Advanced provision of emergency contraception does not reduce abortion rates.
A number of small studies have demonstrated increased use of emergency contraception (EC) when women have a supply available at home. It has been suggested that widespread use of EC could reduce abortion rates. We undertook a community intervention study designed to determine whether offering advanced supplies of EC to large numbers of women influenced abortion rates. All women aged between 16 and 29 years living in Lothian, Scotland, were offered, through health services, five courses of EC without cost to keep at home. Of a population of around 85,000 women in this age group, the study showed that an estimated 17,800 women took a supply of EC home and over 4500 of them gave at least one course to a friend. It was found that nearly half (45%) of women who had a supply used at least one course during the 28 months that the study lasted. In total, an estimated 8081 courses of EC were used. EC was used within 24 h after intercourse on 75% of occasions. Abortion rates in Lothian were compared with those from three other health board areas of Scotland. No effect on abortion rates was demonstrated with advanced provision of EC. The results of this study suggest that widespread distribution of advanced supplies of EC through health services may not be an effective way to reduce the incidence of unintended pregnancy in the UK.
Abortion, Induced↗
[Care for women: where and how].
OBJECTIVE: To analyse the demand for family planning, gynecological cancer tests and pregnancy supervision in an area with no public resources devoted specifically to these questions. To evaluate users' level of satisfaction and their readiness or otherwise to be visited at the Health Centre (HC), with a view to planning out a specific programme. DESIGN: Descriptive study. SITE. Health Centre at Castelldefels. (Barcelona). PATIENTS AND OTHER PARTICIPANTS: Random stratified sample of 595 women over 14, living within the centre's catchment area. The age distribution was selected in line with the town's population pyramid. MAIN MEASUREMENTS AND RESULTS: We undertook a self-administered, anonymous survey of 437 women. 4.9% of those sexually active between the ages of 14 and 20 and 13.2% of women aged between 21 and 45 use no contraceptive method. The greater attendance at private rather than public centres for contraception (73% as against 23.8/1000 p less than 0.001) and for regular check-ups (63.8% as against 32.1/1000 p less than 0.001) was notable. But for pregnancy care it was the other way round (29.3% as against 61.2/1000 p less than 0.001). 64.1% have regular check-ups; 48.8% annually. A higher level of satisfaction is shown by women seen at private (95.2%) than at public centres (75.1/1000 p = 0.0159). 68.9% would use a special care services for women if offered by the HC. CONCLUSIONS: Existing services offer scant cover to sections of the population more at risk and tend to make everything a medical problem. The public centres give little user-satisfaction. The Primary Care teams could cover these deficiencies with their services and would be welcome by the public.
Adolescent↗
Teenagers' perceived and actual probabilities of pregnancy.
This study sought to determine how teenagers' actual and perceived probabilities of pregnancy are related. Data were collected from interviews with 425 women aged nineteen or younger who attended the Door, a multiservice center for youth in New York City. Subjects were asked to estimate their likelihood of becoming pregnant the last time they had intercourse, and to indicate the dates of both last intercourse and last menstrual period in order to determine their objective and subjective assessments of risk of pregnancy. It was found that the perceived probability of pregnancy was not highly correlated with actual risk: the distributions of perceived probability of pregnancy were nearly identical for both those who were and were not at actual risk. Moreover, respondents' level of knowledge about the timing of ovulation was not significantly related to the accuracy of their risk assessment. The findings also indicate that teenagers' use of contraception is guided more by their perceived risk of pregnancy than by the actual risk. Policy implications are discussed.
Adolescent↗
Upper body and centralized adiposity in Mexican Americans and non-Hispanic whites: relationship to body mass index and other behavioral and demographic variables.
Mexican Americans have a higher prevalence of NIDDM, more overall obesity and more centralized adiposity than non-Hispanic whites, but have thus far not been characterized as to whether they have greater upper body adiposity. Waist-to-hip circumferences (WHR, a measure of upper body adiposity) and subscapular-to-triceps skinfold ratios (centrality index, a measure of centralized adiposity) were determined in 725 Mexican Americans and 226 non-Hispanic whites as part of the San Antonio Heart Study, a population-based study of diabetes and cardiovascular risk factors. Mexican American females had higher centrality indices and WHRs than non-Hispanic white females, even after adjustment for demographic (age, menopausal status) and behavioral variables (body mass index, parity, cigarette smoking, alcohol consumption, exercise, and oral contraceptive and estrogen use). Mexican American males had higher centrality indices than non-Hispanic white males, but differences in WHR disappeared after adjustment for overall adiposity (body mass index). Of the demographic and behavioral variables, only age and body mass index were consistently related to regional body fat distribution. The lack of an association between body fat distribution and behavioral variables suggests that genetic factors may play the principal role in determining body fat distribution. Surprisingly, the distributions of centrality index and WHR were relatively independent of one another suggesting that they may be used as distinct, independent predictors of metabolic diseases.
Adipose Tissue↗
Influence of apolipoprotein E polymorphism on serum lipids and lipoprotein changes from childhood to adulthood: the Bogalusa Heart Study.
The influence of apolipoprotein (apo) E polymorphism on serum lipoproteins from childhood to adulthood was examined in 1520 individuals, aged 5-14 years at baseline, followed over a 16-year period. At both times, the e2 allele associated with lower LDL cholesterol (P < 0.001) and higher HDL cholesterol (P < 0.05-0.01), the e4 allele with higher LDL cholesterol (P < 0.001). The e2 allele lowered the adulthood LDL cholesterol level to a greater extent than the childhood level (P < 0.05). With respect to tracking, at the lowest quartile of LDL cholesterol distribution, the persistence in ranks over time was higher in the apoE2 group with E2/3 and E2/2 phenotypes compared with the apoE3 group with E3/3 phenotype and the apoE4 group with E3/4 and E4/4 phenotypes (P = 0.001). Longitudinal increases in the ponderal index (weight/height3) lowered the adulthood HDL cholesterol to a larger extent in e2 carriers (P = 0.017). The interindividual variability in LDL cholesterol due to childhood and adulthood ponderal index was 1.8- to 2.3-fold greater in the apoE2 group versus the apoE3 group. Likewise, cigarette smoking, alcohol use and oral contraceptive use in adulthood explained greater variability in triglycerides (5.3-fold), VLDL cholesterol (7.8-fold) and HDL cholesterol (2.9-fold) in the apoE2 group versus the apoE3 group. Thus, the apoE locus influences not only the levels and tracking of certain lipoproteins from childhood to adulthood but also modulates the association between lifestyle-related factors and lipoproteins.
Adolescent↗
Clinical pharmacokinetics of rifampicin.
After oral administration on an empty stomach, the absorption of rifampicin (rifampin) is rapid and practically complete. With a single 600mg dose, peak serum concentration of the order of 10microgram/ml generally occur 2 hours after administration. The half-life of rifampicin for this dose level is of the order of 2.5 hours. The amount of rifampicin extracted by the liver during its first passage through the hepatoportal system and transferred to bile is relevance for the time course of distribution of the antibiotic in the blood compartment. With dose of the order of 300 to 450mg, the excretory capacity of the liver for the antibiotic is saturated. As a consequence, increasing the dose of antibiotic results in a more than proportional increase in serum concentrations. On repeated administration, and most likely as a consequence of self-induced (autoinduction) metabolism, the rate of disappearance of rifampicin from the blood compartment increases in the early phase of treatment, the phenomenon affecting mainly the levels following the peak, with a consequent reduction in half-life. Approximately 80% of rifampicin is transported in blood bound to plasma proteins, mainly albumin. Rifampicin is well distributed, although to a different degree, in the various tissues of the human body. Probably in the hepatocyte, rifampicin undergoes a process of desacetylation. The metabolic derivative, desacetylrifampicin, is more polar than the parent compound, and microbiologically active. This metabolite accounts for the majority of the antibacterial activity in the bile Rifampicin is almost equally excreted in the bile and urine, the recovery in the 2 fluids being of the same order of magnitude. Administration of rifampicin to newborn infants and children is followed by blood levels generally lower than those found in adults for the same dose levels. In patients with impaired liver and kidney function the elimination of the antibiotic from the blood compartment is slower than in normal subjects. Rifampicin has been found to compete with bilirubin and other cholefil substances for biliary excretion, giving rise to transient and reversible increased bilirubin and BSP retention values. A kinetic model study on the transfer constants between various body compartments has indicated that rifampicin is rapidly absorbed from the intestine and that the absorption rate increases with time. Rifampicin as such is transferred into urine at a rate 3 times higher than the rate of transfer into bile. Desacetylrifampicin, the more polar metabolic derivative of rifampicin, behaves in the opposite way since its rate of transfer into bile is 4 times higher than that into urine. The rate of biotransformation of rifampicin into desacetylrifampicin is of the same order of magnitude as than of biotransformation of the latter into a further metabolic derivative, which could be a glucuronide conjugate...
Anticoagulants↗
Mifepristone: bioavailability, pharmacokinetics and use-effectiveness.
The potentiality of mifepristone as an abortifacient and contraceptive drug along with its pharmacokinetic parameters is reviewed. Mifepristone or RU486 acts as antagonist to progestational and glucocorticoid functions. It is an orally active compound with nearly 70% absorption rate but its bioavailability is reduced to around 40% because of the first-pass effect. Peak plasma concentrations of 1.9 +/- 0.8, 3.8 +/- 0.9 and 5.3 +/- 1.3 micromol/l are reached within 1-2 h after oral administration of 50, 200 and 600 mg mifepristone in women, respectively, and are maintained at relatively high level up to 48 or 72 h depending on the ingested dose. The plasma kinetics of mifepristone followed two-compartment open model with a mean alpha-half-life of 1.4h, volume of distribution 1.47 l/kg and beta-half-life of 20-30 h in most of the subjects studied. Clearance from the body was mainly through feces (83%). Biologically active mono-demethylated, di-demethylated and hydroxylated metabolites were found in plasma soon after oral administration of mifepristone. RU486 and its mono-demethylated metabolite bind to progesterone receptors with high affinity. Mifepristone-bound receptor dimers suppress transcription activation and thus, bring about anti-progestational activity that makes mifepristone a potential abortifacient and contraceptive agent. Clinical trials for termination of early pregnancy with 50-600 mg mifepristone plus a prostaglandin analogue achieved a success rate of 82-97%. However, abdominal pain, cramping, nausea, vomiting, bleeding and delay in onset of the next menstrual cycle were the side effects. Administration of 25 mg mifepristone twice 12h apart, as a post-coital contraceptive showed 100% contraceptive efficacy. A low dose of mifepristone which does not inhibit ovulation reduced fertility significantly by affecting endometrial milieu. These findings suggest that reduced dose(s) of mifepristone, 200 mg or less, may be used as a post-coital contraceptive and in combination with vaginal misoprostol for termination of early pregnancy with high efficacy and minimal or no side effects.
Abortifacient Agents, Steroidal↗
Evaluation of an emergency contraception introduction project in Kenya.
The Consortium for Emergency Contraception introduced Postinor-2, a progestin-only EC product, into Kenya as part of its work to expand access to EC in developing countries. Introduction activities included registering Postinor-2, training providers, and developing provider and client materials. We surveyed family planning clients and providers to assess the impact of these activities. Knowledge of EC among clients and providers improved between the baseline and evaluation surveys. More women and providers had heard of EC and more providers were distributing it. Support for access to EC in Kenya also improved. The results indicate, though, that further information is needed. Only one-fifth of women at the evaluation had heard of EC and almost half of the women expressed concerns about EC at baseline and evaluation. More research and experience using novel ways of informing women about EC in Africa is needed, and information needs to address women's concerns.
Ambulatory Care Facilities↗
Use of the Today contraceptive sponge in the United States.
Use of the TODAY contraceptive sponge in the U.S. has been monitored in three ways since it became an OTC product in June, 1983: The Phase III clinical trials in the U.S. were extended for a second year (Life Table method efficacy rate for a second year of use = 96.6%; N = 103). The manufacturer has solicited comments and complaints from family planning professionals and from women who purchased sponges over-the-counter. One complaint has been received for every 33,000 sponges distributed, primarily related to removal difficulty, infection and allergy to spermicide. By December of 1984, there were an estimated 1.25 million sponge users in the U.S. Voluntary, spontaneous reporting to regulatory or health agencies has tracked case reports of toxic shock syndrome (TSS) in sponge users. To date 13 cases have been reported with over 25 million sponges sold. The risk of TSS in sponge users is thus very small and may not represent an increased risk over baseline.
Actuarial Analysis↗
Prevalence of chlamydial antibody in pregnancy. A matched-pair study.
In this matched-pair study 139 pregnant women were matched on the basis of age to an equal number of non-pregnant women with no signs of genital infection. The mean age was 28.7 years (range 20-41). The cut-offs used for detection of chlamydial antibody were 1:64 and 1:128 for IgG and 1:16 for IgA. IgG antibody at 64 was detected in 37.4% of pregnant women, compared to 46% of controls (p = 0.145). There was, however, a statistically significant difference between the groups for IgG at 128 (gravidae = 15.8%; controls = 28%; p = 0.014). IgA were detected in 8.6% and 16.5% of subjects, respectively (p = 0.047). IgG levels did not vary with increasing age among the pregnant women, but rose significantly with age in non-pregnant controls (logistic regression p-values = 0.011 and 0.006, for IgG at 64 and 128, respectively). IgG-positive women in the control group tended to be older than pregnant IgG-positive women (p = 0.06). These differences could not be explained by marital status, parity or use of oral contraceptives. In view of the lack of epidemiological differences, biological explanations might be invoked.
Adult↗
Sex in Australia: first experiences of vaginal intercourse and oral sex among a representative sample of adults.
OBJECTIVE: To describe the characteristics of Australian adults' first vaginal intercourse and contraceptive use on that occasion, as well as first oral sex. METHOD: Computer-assisted telephone interviews were completed by a representative sample of 10,173 men and 9,134 women aged 16-59 years. The overall response rate was 73.1% (69.4% men, 77.6% women). Respondents indicated their age at first vaginal intercourse (if ever), the partner's age, their relationship to their partner, the duration of the relationship before first intercourse, and what contraception (if any) was used. Respondents also indicated their age when they first had oral sex. RESULTS: For men, the median age at first intercourse declined from 18 among men aged 50-59 to 16 for men aged 16-19. For women the decline in median age was from 19 to 16. For women born between 1941 and 1950 the difference in median age at first vaginal intercourse and subsequent first oral sex was six years but for women born between 1981 and 1986 the difference in medians was one year. For men, a similar convergence was observed. Contraceptive use at first intercourse has increased significantly, from less than 30% of men and women in the 1950s to over 90% in the 2000s. For men, first intercourse before age 16 was significantly associated with greater numbers of lifetime and recent sexual partners, ever having paid for sex and having had a sexually transmitted infection (STI), and for women, with greater numbers of lifetime and recent sexual partners, ever having been paid for sex and ever having had an STI. CONCLUSION: Sex education should be given so that all young people have information about contraception and disease prevention before they begin their sexual careers.
Adolescent↗
Complications of the intrauterine device in nulliparous and parous women.
OBJECTIVES: The intrauterine device (IUD) is still related to pelvic inflammatory disease (PID), pregnancy, expulsion, perforation and menstrual problems, particularly in nulliparous women. We aimed to study the complications and symptoms of the intrauterine device in general practice, particularly in nulliparous women. METHODS: We used a retrospective cohort study in four general practices participating in the Nijmegen Continuous Morbidity Registration. Selected women had one or more IUDs inserted between 1981 and 2000. Data on complications, symptoms and removal of the IUD were obtained from the medical records. RESULTS: 461 women were included, 129 nulliparous and 332 parous women. Users of copper IUDs had a rate of PID of 3.5 per 1000 women-years, rates of (ectopic) pregnancy of 0.6 to 1.1% per year and rates of expulsion of 0 to 1.2% per year. Rates of expulsion for the levonorgestrel-releasing IUDs were 0 to 0.2% per year. Nulliparous women did not show more complications than parous women. Menstrual problems were frequent among users of copper and levonorgestrel-releasing IUDs. One third of the IUDs were removed within the first year after insertion. There was no significant excess of IUD removal among nulliparous women compared with parous women. Main reasons for removal were 'menstrual problems' and 'contraception no longer necessary'. CONCLUSION: Both copper and levonorgestrel-releasing IUDs are safe and highly effective contraceptives, which can adequately be inserted and monitored by general practitioners in nulliparous and parous women.
Adolescent↗
"Changing trends (clinico-biochemical) in gall-bladder stone disease"--an observation.
Present study has been undertaken to know the causative factors responsible for change in trend of gall-stone disease from middle aged, fertile, fat females to young asthenic females in twenties. Our findings reveal high incidence of gall stone formation in non-obese young females. Average fat consumption in non-obese patients was less (17%) than that of obese (26%). However, use of oral contraceptives was high in non-obese females and maximum users were in young age group while in obese in middle age group. Bilirubin content in gall bladder stones of non-obese was significantly more than that of obese (p < 0.01) whereas cholesterol content in gall bladder stones of obese was significantly high when compared to non-obese subjects. Analysis of bile showed significant increase in bilirubin and calcium level of non-obese when compared to control and obese subjects whereas phosphorus levels were significantly decreased in the bile of non obese subjects. These findings suggest that in non-obese females less intake of fat, early use of oral contraceptives, higher contents of bilirubin and calcium and low content of phosphorus in bile may be responsible for gall stone formation.
Adult↗