What is contraception? List three techniques that have been developed to prevent pregnancy. List three reasons for adopting contraceptive methods. (5)
Answers
Answer:
the deliberate use of artificial methods or other techniques to prevent pregnancy as a consequence of sexual intercourse. The major forms of artificial contraception are: barrier methods, of which the commonest is the condom or sheath; the contraceptive pill, which contains synthetic sex hormones which prevent ovulation in the female; intrauterine devices, such as the coil, which prevent the fertilized ovum from implanting in the uterus; and male or female sterilization.
Three techniques that have been developed to prevent pregnancy are :
(i) Barrier method - Physical methods such as condoms, diaphragm, and cervical caps are used to prevent the entry of sperms in female reproductive organ.
(ii) Chemical methods - Oral pills and vaginal pills as drugs are used by females.
(iii) Surgical methods - Blocking such as vasectomy in males and tubectomy in females.
Contraceptive methods are mainly adopted because of the following reasons:
1.To prevent unwanted pregnancies.
2.To control population rise or birth rate.
3.To prevent the transfer of sexually transmitted diseases.
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