The history of the development of a new scientific or medical technology is a story of science in the making. In this paper we attempt to trace the development of the anti-hCG vaccine over the past 20 years, using controversy as a methodological entry point into the history.

Viewed in retrospect, the development of hormonal methods of fertility control could be broadly divided into three main phases: (i) development of the oral contraceptive 'Pill based on synthetic ovarian steroid hormones; (ii) the demonstration that continuous oral administration of progestins in

The tribal population groups from 7.95 percent of the total population of India. About 67.76 million persons have been enumerated in the country (excluding Jammu & Kashmir) as members of the Scheduled Tribes (1991 census).

Sex therapy is designed to change certain patterns of sexual behaviour. Masters and Johnson gave new dimension to sex therapy. Today, we are entering into an era of reasoning, so what was once upon a time empirical is now being specific for each and every sexual dysfunction.