Millions of women use hormonal contraception and it has been suggested that such use may alter mate preferences. To examine the impact of oral contraceptive (pill) use on preferences, we tested for within-subject changes in preferences for masculine faces in women initiating pill use. Between two sessions, initiation of pill use significantly decreased women's preferences for male facial mascul...

Prior to 1938 no form of oral hormonal contraception was possible as none of the then availablehormones were active when given orally. The era of oral contraception commenced withthe reports of Pincus et al (3). The contraceptive pills used today contain a synthetic oestrogenand a synthetic progestational agent. Oestrone and oestradiol were available prior to 1938as esters but these were active...

Most women of fertile age want safe contraception. This is especially important for women with epilepsy, as some antiepileptic drugs may have harmful effects on the foetus. When hormonal contraception is combined with antiepileptic drugs, it is essential to be aware that certain antiepileptic drugs may reduce the efficacy of hormonal contraceptives and vice versa, which may result in a reduced ...

OBJECTIVE To determine the effectiveness of the Copper T380A (CuT380A) intrauterine device (IUD) as an emergency contraceptive in women. DESIGN Prospective, multicentre, cohort clinical trial. SETTING Eighteen family planning clinics in China. SAMPLE A cohort of 1963 women, aged 18-44 years, requesting emergency contraception within 120 hours of unprotected sexual intercourse. METHODS W...

Emergency contraception (EC) is a safe and effective method which is used to prevent unwanted pregnancy after unprotected sexual intercourse. Many of the unwanted pregnancies end in unsafe abortions. The search for an ideal contraceptive, which does not interfere with spontaneity or pleasure of the sexual act, yet effectively controls the fertility, is still continuing. Numerous contraceptive t...

Spotted seals (Phoca largha) and related crossbreeds maintained at Kamogawa Sea World breed seasonally from the end of January to middle of March. For contraception in these animals, the effect of a single administration of a contraceptive synthetic luteal hormone for dogs, proligestone (PRG), was investigated. The animals tested were 10 seals aged 4-24 years old, and a total of 35 trials were ...

OBJECTIVE To describe women who accept single-rod progestogen contraceptive implants (Implanon; N.V. Organon, Oss, Netherlands) from community health workers in Ethiopia and to assess whether community-based provision addresses unmet need for contraception. METHODS Women who accepted Implanon during training events in 4 regions were asked about their characteristics and use of family planning...

The aim of hormonal male contraception is to prevent unintended pregnancies by suppressing spermatogenesis. Hormonal male contraception is based on the principle that exogenous administration of androgens and other hormones such as progestins suppress circulating gonadotropin concentrations, decreasing testicular Leydig cell and Sertoli cell activity and spermatogenesis. In order to achieve mor...

The concept that it is possible to prevent a pregnancy after coitus is not new, but has gained prominence over the last 10-15 years. It provides a second chance to women who do not want to get pregnant and who, voluntarily or not, have had unprotected intercourse. Emergency contraception has been under strong attack by the Catholic church and anti-choice organisations in Latin America, who clai...

Background In Nepal, evidence is sparse regarding the use of contraception at first and current relationships among sexually active young people. This study examined the factors associated with modern contraceptive use at first and current sexual relationships. Methods A descriptive cross-sectional household survey conducted amongst young Nepalese men and women living in the urban areas of th...