In the new millennium, India has crossed one billion mark, sharing 16% of the world population on 2.4% of the global land area. More than 18million people are added every year, which is almost entire population of Australia. With the current trend, it is projected that India may overtake China in the year 2045 to become the most populous country in the world, the distinction which no Indian would be proud of. Although, India was the first to launch National Family Planning Programme as early as 1952 in order to curtain a population menace, 16% of currently married women in the country have an unmet need for family planning. 8% women want child is spacing without contraceptive use, while the other 8% do not want anymore child but without the use of contraceptive (Behal, 2001). As per the National Family Planning Survey (1998-1999), 25% of total family planning programme had an unmet need, and the contraceptive prevalence rate in the country is only a moderate 48.2%, with female sterilization accounting for 34.2% and the currently available male methods accounting negligible. Currently men’s involvement in regulating family size is negligible, as there is an argument that, they do not have sufficient contraceptive choice to adopt, compared to their female counterparts. For regulation of male fertility, the various steps in reproduction that lead from sperm production in the testis to sperm egg interaction and fertilization in the female genital tract need to be considered.
The options available to men are limited to condoms, periodic abstinence withdrawal and male sterilization. Survey among the married men in developing countries indicated that only 4% of men use condoms, 4% undergo vasectomy, 3% use periodic abstinence and 4% use withdrawal in which periodic abstinence and withdrawal have higher failure rates and are often practiced with other contraceptive measures (Population report, 1999).
The Ayurveda and Unani tests mention the use of a... [continues]
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(2011, 03). In Vitro Screening of Marine Halophytic Extracts for Human Sperm Motility Inhibiting Activity. StudyMode.com. Retrieved 03, 2011, from http://www.studymode.com/essays/In-Vitro-Screening-Of-Marine-Halophytic-607353.html
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