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At least 1,315 records · Page 73Linked to original sources
PubMed1997

Plant immunomodulators for termination of unwanted pregnancy and for contraception and reproductive health.

Neem (Azadirachta indica) seed and leaf extracts have spermicidal, anti-microbial, anti-fungal and anti-viral properties. They are also immunomodulators that induce primarily a TH1 type response. These properties are being exploited to develop two different useful methods of fertility control. Neem extracts given orally at early post-implantation stage terminate pregnancy in rodents and primates. Treatment has no residual permanent effect and fertility is regained in subsequent cycles. The mechanism by which the action occurs is not fully clear. A transient increase in CD4 and more significantly in CD8 cells is noticed in mesenteric lymph nodes and spleen. A rise in immunoreactive and bioactive TNF-alpha and IFN-gamma in draining lymph nodes, serum and foetal-placental tissue is observed. A polyherbal cream and pessary have been developed containing three active ingredients of plant origin. These have synergistic spermicidal properties on human sperm as determined by the Sander Cramer test. Their use before mating has high contraceptive efficacy in rabbits and baboons. Another interesting property is their inhibitory action on a wide spectrum of micro-organisms, including Candida albicans, C. tropicalis, Neisseria gonorrhoeae, the multidrug-resistant Staphylococcus aureus and urinary tract Escherichia coli, Herpes simplex-2 and HIV-1. Phase I clinical trials have been completed in India, Egypt and the Dominican Republic, and indicate the safety of the formulation, its acceptability and beneficial action invaginosis due to infections.

Abortion, Induced↗
PubMed1998

Endocrine and reproductive health status of men who had experienced short-term radiation exposure at Chernobyl.

Hormonal and semen parameters in 416 men aged 25-45 years were examined: 328 were men who cleaned the territory around the Chernobyl nuclear reactor (called 'liquidators') and 88 were healthy age-matched controls. The dose of radiation received by the liquidators was 0.16 +/- 0.08 Gy. LH, FSH, prolactin, testosterone and cortisol levels were assayed using WHO-matched reagents. Semen analyses were performed according to the WHO Manual (1992). The mean concentration of all hormones in liquidators and controls were within the WHO-defined normal range. The mean levels of LH and cortisol in liquidators were significantly lower (p = 0.013 and p < 0.001, respectively) and testosterone significantly higher (p = 0.023) than in controls. The variations in hormone levels in liquidators were not correlated with the acquired doses of radiation as measured by personal dosimeters (film badges). Semen parameters in a subgroup of 70 liquidators were within the normal WHO-defined range. The percentage of normal forms of spermatozoa in liquidators (35.0 +/- 13.1%) was significantly lower (p < 0.015) than in a control group (42.8 +/- 8.9%). The study has shown that exposure of men to relatively short-term radiation did not cause long-lasting disruption of their endocrine status and spermatogenesis. The study was 7-9 years retrospective and it is therefore impossible to infer what the immediate effects of the radiation exposure were on these parameters.

Adult↗
PubMed2001

Risks of smoking to reproductive health: assessment of women's knowledge.

OBJECTIVE: Our aim was to assess the knowledge of women regarding the gender-specific health risks associated with smoking. STUDY DESIGN: A cross-sectional survey was given to 388 female hospital employees. Knowledge of smoking-related illnesses that are specific to women was assessed. Regression analysis was used to discern potential predictors of this knowledge. RESULTS: Most women are aware that smoking causes respiratory disease (99%), lung cancer (99%), heart disease (96%), and pregnancy complications (91%). Few women are aware of the health risks of smoking that are specific to women, such as infertility (22%), osteoporosis (30%), early menopause (17%), spontaneous abortion (39%), ectopic pregnancy (27%), and cervical cancer (24%). Knowledge of these health risks was not predicted by age, education, or smoking status. Health care professionals were no more likely than other women to have knowledge of these risks. CONCLUSION: Most women are unaware of the health risks specific to women from smoking. Even female health care professionals do not generally have greater knowledge of these conditions. Further public health measures are necessary to increase knowledge of smoking risks that may be particularly relevant to women. This increase in knowledge has the potential to reduce significantly the smoking-related illnesses in women.

Adolescent↗
PubMed2000

Correlation between an early sexual debut, and reproductive health and behavioral factors: a multinational European study.

OBJECTIVE: To investigate whether women who made an early sexual debut differ from those with a later debut regarding genital signs and symptoms. METHODS: The study included women who considered themselves gynecologically healthy and who attended 17 family planning centers in 13 European countries for contraceptive advice. There were 629 women who made their sexual debut at the age of 16 years or earlier (study population) and 927 women who had their first sexual intercourse at the age of 19 years or later (comparison group). Genital symptoms and signs, contraceptive use, smoking, and genital hygiene habits and previous genital infections were recorded on a structured patient record form. Detection of Chlamydia trachomatis was made by means of a polymerase chain reaction on first-void urine. The study was made, on average, 7-10 years after the women's sexual debut. RESULTS: The mean age of first intercourse was 15.3 years for the study group versus 20.7 years for the control group (p < 0.001). The study population had significantly more symptoms, such as vaginal discharge and pruritus, and signs, such as abnormal discharge, erythema of the vaginal mucosa and lower genital tract infections, than the comparison group. Twice as many women in the study group were smokers and there was a ten-fold increase among these subjects of using low-pH solutions for genital hygiene. The prevalence of C. trachomatis infection did not differ between the two groups (p = 0.22). CONCLUSION: Age at first intercourse is not only a predictor of sexual risk behavior, but also a predictor, regarding both signs and symptoms, of future gynecological problems.

Adolescent↗
PubMed2000

Bacterial vaginosis: a threat to reproductive health? Historical perspectives, current knowledge, controversies and research demands.

Bacterial vaginosis is a change in flora, the cause of which is still unknown in the vast majority of instances. Bacterial vaginosis has generally been used to represent any change in vaginal flora resulting in an assumed loss of lactobacilli. However, whether such a flora represents the genetically normal state of some women is poorly defined. The present 'crude' diagnosis of bacterial vaginosis ought to be refined. The proposed impact of bacterial vaginosis on adverse pregnancy outcome is contradicted by therapeutic studies involving pregnant women that result in a change in flora to a lactobacillus-dominated vaginal flora, but have no influence on the course ofpregnancy. Most therapies recommended for bacterial vaginosis in non-pregnant women are often successful in the short term, but usually unsuccessful if the follow-up period after finishing therapy is prolonged. Although bacterial vaginosis is generally believed to be an endogenous condition, a number of behavioral factors are involved, such as the use of contraceptive and intimate hygiene products and smoking habits. Although bacterial vaginosis is not considered a true sexually transmitted infection, it is correlated to sexual activities. The current review elaborates on these matters and on the vaginal microbial ecology.

Female↗
PubMed2006

Promoting sexual and reproductive health in early adolescence in South Africa and Tanzania: development of a theory- and evidence-based intervention programme.

AIMS: Action to prevent the spread of HIV among young people in Sub-Saharan Africa is needed urgently. In order to be effective, such action should be theory and evidence based and carefully adapted to local cultures and contexts. The present article describes the organization, theoretical basis, and methodological approach of a project that aims at developing and evaluating school-based interventions targeting adolescents aged 12-14 years. METHODS: Researchers from European and African universities have developed interventions that were conducted in three sites: Cape Town and Polokwane (South Africa) and Dar es Salaam (Tanzania). In each site the interventions were evaluated through large-scale field experiments with intervention schools and delayed intervention schools and with baseline and two follow-up data collections. Minimum sample sizes were estimated for each site based on local data and taking into account that the unit of allocation was schools and not individual students (the design effect). During the formative phase as well as within the field experiments, qualitative studies were also conducted. DISCUSSION: The interventions were developed consistent with the Intervention Mapping approach, and the theoretical framework was based on a modified version of the Theory of Planned Behaviour. The limitations of Western social cognition models were recognized, and the theoretical framework has therefore been expanded in two directions: towards integrating cultural processes and towards taking societal factors and constraints into account. CONCLUSION: The project will throw light on the application of social cognition models as well as the usefulness of the Intervention Mapping approach to intervention development in sub-Saharan Africa.

Adolescent↗
PubMed2005

Research promoting better patient education on reproductive health after cancer.

Although research on cancer survivors' experiences and attitudes about infertility is relatively new, existing literature suggests that only about half of men and women of childbearing age receive the information they need from their health care providers at the time of diagnosis and treatment planning. Thus, better patient education strategies are needed. Although the ideal would be to have oncologists conduct detailed discussions of options to preserve or restore fertility with all interested patients, this standard is unrealistic. A more practical alternative is to train nonphysician providers such as nurses and social workers to address this topic. In addition, innovative strategies of direct patient education could be helpful, including use of computerized media, peer counseling, or special educational modules tailored to a particular age group or cancer site.

Adolescent↗