BACKGROUND Hormonal contraceptives are the most common method used worldwide by teenagers to prevent unwanted pregnancies. To date there are limited data about such use by teenagers in the UK. This study investigated trends and patterns of hormonal contraceptive prescribing to adolescents aged 12-18 years in UK primary care between 2002 and 2011. METHODS A retrospective cohort study using the...

abstract it is becoming evident that oral hormonal contraceptives –besides being well established contraceptives – seem to become important medications for many functional or organic disturbances. so far, clinical effectiveness has been shown for treatment as well as prevention of menstrual bleeding disorders and menstrual-related pain symptoms. also this is true for premenstrual syndrome (pms)...

background and aims. changes in the balance of sexual hormones during pregnancy decrease gingival crevicular fluid levels of interleukin-6 and the resistance of gingival tissue against inflammations. hormonal contraceptives are agents that are based on the effects of gestational hormones and simulate a state of pregnancy; therefore, they prevent ovulation. this study evaluates the effect of the...

BACKGROUND Unwanted pregnancy followed by unsafe abortion is one of the major worldwide health problems, which has many negative consequences on the health and well-being of women. Information about women's knowledge, attitude and practice of emergency contraceptives plays a major role in the reduction of unwanted pregnancy; however, there are no studies about this issue in the study area. This...

CONTEXT During its first year of operation (1997-1998), California's family planning program, Family PACT, helped more than 750,000 clients to avert an estimated 108,000 pregnancies. Given subsequent increases in the numbers of clients served and contraceptive methods offered by the program, updated estimates of its impact on fertility are needed. METHODS Claims data on contraceptives dispens...

BACKGROUND Irregular population growth is considered as a serious threat to the international community and is also a major obstacle for nations' social and economic development. Thus, one of the ways to have a healthy community is to control the population and provide safe and effective contraceptive methods. Hormonal contraceptives are the most effective method of birth spacing. The present s...

background: the reports of a rise in contraceptive practices have not been matched by a similar decrease in population: therefore, there is a need to look into the causes of this discrepancy. the objectives of this study were to determine the prevalence of different methods of contraception used by egyptian women, to compare different contraception methods used among various socio-demographic g...

Population explosion is one of the main problems in Indonesia. In 2021 total population Indonesia 273,879,750 people, there an increase 2,529,861 people compared to 2020. One efforts made by central government suppress rate growth create a Family Planning Village program or more often called KB Village. The purpose this community service provide with knowledge about selection contraceptives. me...

Family planning programs are considered to be an important way to control the rapid population growth of Bangladesh with the main focus being women. As a male dominant country, the knowledge of, attitude towards, and approval of family planning is largely influenced by the male member of couples in their choice of appropriate contraceptive methods. This paper examined the determinants of curren...

OBJECTIVES A new method for the quantitative determination of 17alpha-ethinylestradiol-17beta (EE2) in serum is presented here based on the principle of isotope dilution mass spectrometry (IDMS) with [13C]EE2 as internal standard. The technique was used to determine the concentration profiles of EE2 in the serum of female subjects who had taken oral contraceptives with different progestin compo...