| (i) They act as physical barrier for sperm entry. |
| (ii) They are placed to cover the cervical region during coitus. |
| (iii) They are introduced into the uterus to prevent implantation. |
| (iv) They act as spermicidal agents to increase their contraceptive effectiveness. |
A) (i), (ii) only
B) (i), (iv) only
C) (ii), (iii), only
D) (iii), (iv) only
Correct Answer: A
Solution :
The diaphragm is one of a barrier method of contraception. It is a shallow, dome- shaped cup with a flexible rim and made of silicon. It is inserted into the female reproductive tract to cover the cervix. To be effective in preventing pregnancy, diaphragms need to be used in combination with spermicide, which is a chemical that kills sperm.
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