Correct the following statements.
(a) Surgical methods of contraception prevent gamete formation.
(b) All sexually transmitted diseases are completely curable.
(c) Oral pills are very popular contraceptives among the rural women.
(d) In ET techniques, embryos are always transferred into the uterus.
Corrected statements:
(a) Surgical methods of contraception prevent gamete transfer from the organs of production to the organ of fertilisation.
(b) Only a few sexually transmitted diseases are completely curable that too if diagnosed early and treated appropriately.
(c) Oral pills are very popular contraceptives among the urban women.
(d) In ET techniques, 8-celled embryos are transferred into the fallopian tubes and more than 8-celled embryos are generally transferred into the uterus.