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PubMedDate not supplied

Contraceptive use among U.S. women having abortions in 2000-2001.

CONTEXT: Knowing the extent to which contraceptive nonuse, incorrect or inconsistent use, and method failure account for unintended pregnancies ending in abortion, as well as reasons for nonuse and imperfect use, can help policymakers and family planning providers support effective contraceptive use. METHODS: Contraceptive use patterns among a nationally representative sample of 10,683 women receiving abortion services in 2000-2001 were examined, as well as reasons for nonuse, problems with the most frequently used methods and the impact emergency contraceptive pills have had on abortion rates. RESULTS: Forty-six percent of women had not used a contraceptive method in the month they conceived, mainly because of perceived low risk of pregnancy and concerns about contraception (cited by 33% and 32% of nonusers respectively). The male condom was the most commonly reported method among all women (28%), followed by the pill (14%). Inconsistent method use was the main cause of pregnancy for 49% of condom users and 76% of pill users; 42% of condom users cited condom breakage or slippage as a reason for pregnancy. Substantial proportions of pill and condom users indicated perfect method use (13-14%). As many as 51,000 abortions were averted by use of emergency contraceptive pills in 2000. CONCLUSIONS: Women and men need accurate information about fertility cycles and about the risk of pregnancy when a contraceptive is not used or is used imperfectly. Increased use of emergency contraceptive pills could further reduce levels of unintended pregnancy and abortion.

Abortion, Induced↗
PubMed2002

Is postpartum contraceptive advice given antenatally of value?

In response to the concept that a good postpartum program should begin prenatally, this study was designed to determine whether the provision of expert contraceptive counseling during the antenatal period would have an impact on contraceptive uptake, patterns of contraceptive usage, and pregnancy rates during the first year after childbirth. Over 500 women attending antenatal clinics in each of three centers (Edinburgh, Scotland; Shanghai, People's Republic of China; Cape Town, South Africa) were randomized to receive expert contraceptive advice (participants, n = 771) or the standard advice routinely given in that setting (controls, n = 866). Follow-up was by postal or interviewer-administered questionnaires at 16 and 52 weeks after childbirth. There were no significant differences in the prevalence of contraceptive use at one year (over 79% in all centers) between participants and controls. In Edinburgh, participants were more likely to undergo sterilization (p < 0.01) than controls, otherwise there were no differences among Edinburgh, Shanghai, or Cape Town in either the methods of contraception chosen or in the methods used over time. Contraceptive counseling delivered antenatally appeared to have no impact on the pregnancy rate during the first year after childbirth. In Shanghai, over 11% of women in both groups underwent termination of pregnancy in the year of follow-up. In conclusion, although women in all centers said they found the opportunity to discuss contraception antenatally was useful, it had very little effect on contraceptive use or on subsequent pregnancy rates.

Adult↗
PubMed2003

Hormonal contraceptive use and HIV-1 infection in a population-based cohort in Rakai, Uganda.

BACKGROUND: Hormonal contraceptives have been associated with increased risk of HIV acquisition. METHODS: The association between hormonal contraception use and HIV acquisition was assessed in a rural community-based cohort in Rakai District, Uganda. A group of 5117 sexually active HIV-negative women were surveyed at 10 month intervals between 1994 and 1999. Information on demographic and sociobehavioral characteristics, use of hormonal contraception (pill and injectable methods), condoms and the number of sexual partners was obtained by home-based interview. HIV incidence rate ratios (IRR) and 95% confidence intervals (CI) associated with hormonal contraception were estimated by multivariate Poisson regression after adjustment for age, condom use, number of sexual partners, marital status, education and history of genital ulcer disease. RESULTS: At one or more interviews, 16.6% of women reported use of hormonal contraceptives and 23.0% reported condom use. HIV incidence was 2.3/100 person-years in hormonal contraceptive users compared with 1.5/100 person-years in non-hormonal contraceptive users (unadjusted IRR, 1.56; 95% CI, 1.00-2.33). After multivariate adjustment, the IRR associated with hormonal contraceptives was reduced to 0.94 (95% CI, 0.53-1.64). The adjusted IRR was 1.12 (95% CI, 0.48-2.56) with oral contraceptive use and 0.84 (95%CI, 0.41-1.72) with injectable methods. CONCLUSION: Use of hormonal contraception is not associated with HIV acquisition after adjustment for behavioral confounding.

Adolescent↗
PubMedDate not supplied

Patterns of contraceptive use within teenagers' first sexual relationships.

CONTEXT: Teenagers have a high unintended pregnancy rate, in part because of inconsistent use or nonuse of contraceptives. It is important to determine how partner and relationship characteristics are related to contraceptive use and consistency within adolescents' first sexual relationships. METHODS: Logistic and multinomial logistic regression analyses of data from 1,027 participants in the first two waves of the National Longitudinal Study of Adolescent Health examined the influence of relationship and partner characteristics on ever-use and consistent use of contraceptive methods during teenagers' first sexual relationships. RESULTS: Teenagers who had waited a longer time between the start of a relationship and first sex with that partner, discussed contraception before first having sex or used dual contraceptive methods had significantly increased odds of ever or always using contraceptives. Adolescents who had taken a virginity pledge, had an older partner, had a greater number of close friends who knew their first partner, or reported having a relationship that was not romantic but that involved holding hands, kissing and telling their partners they liked or loved them had decreased odds of contraceptive use or consistency. As relationship length increased, teenagers were more likely to ever have used a method, but less likely to always have used a method. CONCLUSIONS: Parents and programs should encourage teenagers to delay sexual intercourse, discuss contraception with partners before initiating sex and be vigilant about contraceptive use, particularly in long-term sexual relationships and in relationships with older partners.

Adolescent↗
PubMedDate not supplied

Women's experience and satisfaction with emergency contraception.

CONTEXT: If any new contraceptive technology is to become a viable option for decreasing unintended pregnancies, women must be willing to use the method and find it acceptable. However, because emergency contraceptive pills have not been widely used, very little is known about this method's acceptability. METHODS: Telephone interviews were conducted with 235 women who had received emergency contraceptive pills through a demonstration project at 13 Kaiser Permanente medical offices in San Diego to assess women's experience and satisfaction with the pills. RESULTS: More than two-thirds of the women (70%) were using a contraceptive method prior to their need for emergency contraception, and 73% of these users were relying on condoms. When asked about the situation that led to unprotected intercourse, 45% reported that their condom broke or slipped, while 23% said they had had unplanned sex. More than three-quarters of the sample (81%) experienced at least one side effect. The overwhelming majority were satisfied with emergency contraceptive pills (91%) and would recommend them to friends and family members (97%). Just one-quarter of the sample (28%) believed that emergency contraceptive pills should be dispensed over the counter, and an even lower proportion agreed that they should be available from vending machines (6%). CONCLUSIONS: Because women were overwhelmingly accepting of emergency contraceptive pills, found them easy to use and did not intend to substitute them for regular contraceptive use, this new method is an important addition to the contraceptive options available to women, providing a way to prevent pregnancy after unprotected intercourse or method failure.

Adolescent↗
PubMed1995

Impact of the family on the sex lives of adolescents.

This article presents the results of three studies as they relate to the influence of the family on adolescents' sex lives. The first study examined sexual and contraceptive practices among girls aged 12-19 in Mexico City. It was found that both communication with the mother and pregnancy history of close female relatives were predictors of initiation of sexual relations, contraceptive use, and pregnancy. The second study examined differences between young men who had gotten their partner pregnant and young men who had not. Again, communication levels with parents were found to influence behavior. The final study examined levels of communication about sex as perceived by parents and their children. Mothers had higher levels of communication with their children about sex than did fathers, and fathers' perception of what they were communicating differed substantially from their children's perception. As a whole, the three studies' results support the hypothesis that the family has a substantial influence on adolescents' sexual and contraceptive behavior and provides justification for the incorporation of such issues as parent-child communication into sex education programs.

Adolescent↗
PubMed2002

Knowledge of possible pregnancy at first coitus: a study of in-school adolescents in Ibadan, Nigeria.

This paper discusses the reproductive health knowledge of Nigerian in-school adolescents, with special reference to pregnancy occurrence at first coitus. The data were derived from an Association for Reproductive and Family Health (ARFH) survey carried out in four secondary schools in Ibadan, Nigeria, between August and October 1995. A total of 828 students were interviewed. The results revealed that the majority of sexually active adolescents were not aware of the consequences of their actions. Religious affiliation and number of wives in a male adolescent's family, and religion and marital status of a female adolescent's parents, were found to influence adolescents' knowledge of pregnancy probability at first coitus. This paper confirms earlier findings that the majority of Nigerian adolescents do not know the consequences of sex. Therefore, a clear-cut plan of action is needed to inform sexually active adolescents through an effective sex education programme.

Adolescent↗
PubMed2006

Satisfaction among women: differences between current users of barrier (male condom) and non-barrier methods.

OBJECTIVES: To determine the differences in and factors related to satisfaction between barrier (male condom) and non-barrier method users. METHODS: A semi-structured questionnaire was used for collecting data for this cross-sectional survey. The questionnaires were completed via one-on-one interviews by the researchers. The study group was selected using stratified random sampling. Exclusion criteria were, being unmarried, pregnant, in postmenopausal status and using traditional methods. A total of 434 currently married women using modern contraceptive methods participated in the study. Contraceptive users were dichotomized into two groups as non-barrier method users and barrier method users. RESULTS: About half of the participants (n = 191, 44%) were barrier method users. Their mean age was 33.7 +/- 7.3 years, 66.6% (n = 131) were well educated and reported significantly less pregnancies, given births, living children and abortions (reproductive history events) than non-barrier users. Barrier method users were significantly more likely to be satisfied with their contraceptive method of choice (OR: 2.4; 95% CI 1.2-5.2). Among barrier method users, deciding the type of the contraceptive method themselves had significant effect on satisfaction. CONCLUSION: In our study, satisfaction was mostly affected by heavy side effects and health risks of the methods resulting in less satisfaction with the contraceptive method among non-barrier method users. Other factors which may influence satisfaction deserve further investigation.

Adult↗
PubMedDate not supplied

Effect of 1995 pill scare on rates of venous thromboembolism among women taking combined oral contraceptives: analysis of general practice research database.

OBJECTIVE: To compare the incidence of venous thromboembolism among women taking combined oral contraceptives before and after the October 1995 pill scare. DESIGN: Analysis of General Practice Research Database. SETTING: United Kingdom, January 1993 to December 1998. SUBJECTS: Women aged 15-49 taking combined oral contraceptives. MAIN OUTCOME MEASURES: Incidence of venous thromboembolism. RESULTS: Use of so called "third generation" combined oral contraceptives fell from 53% during January 1993 to October 1995 to 14% during November 1995 to December 1998. There was no significant change in the incidence of venous thromboembolism between the two periods after age was adjusted for (incidence ratio 1.04, 95% confidence interval 0.78 to 1.39). CONCLUSIONS: The findings are not compatible with the assertion that third generation oral contraceptives are associated with a twofold increase in risk of venous thromboembolism compared with older progestogens.

Adolescent↗
PubMed1984

Serum steroid binding protein concentrations, distribution of progestogens, and bioavailability of testosterone during treatment with contraceptives containing desogestrel or levonorgestrel.

The oral administration of 150 micrograms desogestrel and 30 micrograms ethinyl estradiol (EE2) increases (P less than 0.001) serum concentrations of sex-hormone-binding globulin (SHBG) and corticosteroid-binding globulin (CBG), whereas treatment with 150 micrograms levonorgestrel and 30 micrograms EE2 only increases serum CBG concentrations. No changes in serum albumin concentrations occurred during or after treatment with either preparation, and increases in SHBG and CBG returned to the pretreatment values 1 month after treatment ceased. The serum distribution of levonorgestrel was unchanged during treatment, whereas the increase in serum SHBG concentrations after treatment with the preparation containing desogestrel decreased (P less than 0.001) the percentage of non-protein-bound 3-keto- desogestrel and the percentage of albumin-bound 3-keto- desogestrel but increased (P less than 0.001) the SHBG-bound fraction. Oral contraceptives containing either progestogen decrease the mean serum non-protein-bound testosterone concentrations, especially during treatment with desogestrel (P less than 0.001), and desogestrel may therefore by the more appropriate progestogen for the treatment of women prone to androgenic side effects.

Adult↗
PubMedDate not supplied

Impact of social marketing on contraceptive prevalence and cost in Honduras.

In 1984, the Honduran Family Planning Association launched a contraceptive social marketing program by introducing the oral contraceptive, Perla. This report examines the impact of the program on overall oral contraceptive use, use by particular subgroups, source of supply, and costs. Although use of oral contraceptives increased only slightly over the period 1984-87 (from 12.7 percent to 13.4 percent among women in union aged 15-44), the social marketing program significantly increased its share of the oral contraceptive market (from 7 percent in 1984 to 15 percent in 1987, and from 20 percent to 40 percent of sales at pharmacies). For the Honduran Family Planning Association to have realized cost savings as a result of clients switching from community-based distribution programs and commercial supply sources to contraceptive social marketing programs, the association would have had to reallocate its resources. Instead, the number of distributors in the community-based distribution program increased, while the amount of couple-years of protection from oral contraceptives decreased.

Adolescent↗
PubMed2005

AF-2364 [1-(2,4-dichlorobenzyl)-1H-indazole-3-carbohydrazide] is a potential male contraceptive: a review of recent data.

Earlier studies have shown that 1-(2,4-dichlorobenzyl)-1H-indazole-3-carbohydrazide (AF-2364) is a potential male contraceptive when administered orally to adult Sprague-Dawley rats. This compound induces reversible germ cell loss from the seminiferous epithelium by disrupting cell adhesion function between Sertoli and germ cells, in particular, elongating/elongate/round spermatids and spermatocytes but not spermatogonia. Thus, this event is accompanied by a transient loss of fertility in treated rats. Once the drug is metabolically cleared, the remaining spermatogonia can begin repopulating the epithelium, and fertility bounces back. In this review, we summarize recent findings regarding the possible use of this drug for male contraception and its mechanism of action in the rat testis. We also provide an update on the efficacy results of using different treatment regimens in adult rats where AF-2364 was administered by gavage vs. intraperitoneal and intramuscular administration. These results have clearly indicated that AF-2364 is indeed a reversible male contraceptive. Furthermore, the tissue distribution in multiple organs and biological fluids using [3H]-AF-2364 is also reviewed. These data have clearly illustrated the low bioavailability of AF-2364 in rats and that this compound is not specifically taken up by any organs including the testis or the epididymis. These summaries are helpful to investigators in the field who seek to understand the molecular mechanism of action of AF-2364 in the rat testis and to explore its possible use for male contraception.

Animals↗
PubMed1995

Effect of chlorhexidine rinse on the incidence of dry socket in impacted mandibular third molar extraction sites.

This nonrandomized prospective study was conducted in a private practice setting to determine the effect of a 0.12% chlorhexidine gluconate rinse (Peridex, Proctor and Gamble, Cincinnati, Ohio) on the incidence of dry socket after removal of impacted mandibular third molars. Over a 3-year period, 371 patients (total of 654 impacted mandibular third molars) received either no treatment (group 1), 2 weeks of twice daily Peridex rinse postsurgery (group 2), or one rinse presurgery (group 3). The group that used Peridex twice daily for 2 weeks after surgery (group 2) showed a significant reduction (56%) in the incidence of dry socket when compared with either the group that did not rinse (group 1) or the group that rinsed only once just before surgery (group 3). The incidence of dry socket was higher in smokers and in females who used oral contraceptives. Twice daily use of Peridex for 2 weeks also yielded significant reductions in dry socket in smokers, nonsmokers, and in females who did not use oral contraceptives. Results from this study demonstrate that the use of Peridex for 2 weeks after surgery is effective in prevention of dry socket after surgical extraction of impacted molars.

Adult↗