CURRENT AFFAIRS

Detailed explanation-1: -It is a polymer hydrogel that works by blocking sperm in the vas deferens. Injection of Vasalgel in sexually mature adult male rhesus monkeys was effective in preventing conception throughout the one-plus year study period.

Detailed explanation-2: -How does Vasalgel work? Vasalgel is a high molecular weight polymer. This polymer is injected in the vas deferens (which are the tubes in which the sperm travels to be ejaculated), and it stops the sperm from advancing without stopping ejaculation.

Detailed explanation-3: -Condoms and vasectomy are the two methods of contraception easily available for men at present.

Detailed explanation-4: -Gossypol is a polyphenol isolated from the seed, roots, and stem of the cotton plant (Gossypium sp.). The substance, a yellow pigment similar to flavonoids, is present in cottonseed oil. In the plant, it acts as a natural defensive agent against predators, provoking infertility in insects.

Detailed explanation-5: -NES/T (Nestorone®/Testosterone) is the first birth control product designed for males that has progressed past the initial steps in the clinical trial process, which consists of several phases and subphases defined by the U.S. Food and Drug Administration (FDA).