Regarding family planning, married couples are advised to adopt birth control techniques.
(i) Name the temporary method, which is safe, effective and has long lasting effect for about 5 years.
(ii) Name a method adopted by males as barrier to avoid fertilisation.
(iii) Name the hormone used during subcutaneous implants for contraception.

Which of the following statements are correct ? (i) India's first test tube baby's name is Kum Harsha. (ii) Inability to conceive or produce children even after 2 years of unprotected sexual cohabitation is called infertility (iii) Surgical method of contraception prevents gamete formation (iv) MTPs are relatively safe upto 12 weeks of pregnancy.