(a) What is the gestation period? How much is the gestation period in humans?
(b) Name one method of contraception which also protects against sexually transmitted diseases.
(c) Name one sexually transmitted disease for which no definite cure has been found so far. What is the causative organism of this disease?

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Solution

(a) The period of pregnancy is called the gestation period. It is for 9 months in humans.

(b) A barrier method of contraception (e.g., condom) also protects us from sexually transmitted diseases.

(c) AIDS is a sexually transmitted disease for which no definite cure has been found so far. HIV is the causative organism of this disease.

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