Give reasons:
(t) Blocking of fallopian tubes prevents pregnancy.
(ii) Testes are located outside - abdominal cavity.
(iii) Prenatal sex determination has been banned bylaw.
(i) Prevents passage of ovum and hence fertilization.
(ii) Sperm production requires a temp. 1-3 degrees lower than body temp.
(iii) Indiscriminate female foeticide / Imbalance in male-female Sex ratio.