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प्रश्न
What is the significance of progesterone-estrogen combination as a contraceptive measure?
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उत्तर
Oral administration of small doses of progesterone-estrogen combination is a contraceptive measure which inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent/retard the entry of sperms.
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संबंधित प्रश्न
What are the suggested reasons for population explosion?
Is the use of contraceptives justified? Give reasons.
Removal of gonads cannot be considered as a contraceptive option. Why?
Correct the following statement:
Surgical methods of contraception prevent gamete formation.
Short answer question.
Comment on any two mechanical contraceptive methods.
Answer the following question.
Describe the various methods of birth control to avoid pregnancy.
What is the method of male known as?
Which of the following is a hormone releasing IUD?
Amniocentesis can be used to determine ______.
Diaphragms are contraceptive devices used by the females.
Choose the correct option from the statements given below:
- They are introduced into the uterus
- They are placed to cover the cervical region
- They act as physical barriers for sperm entry
- They act as spermicidal agents
The present population growth rate in India is alarming. Suggest ways to check it.
Mention two advantages of lactational amenorrhea as a contraceptive method.
All reproductive tract infections RTIs are STDs, but all STDs are not RTIs. Justify with example.
Given below are four contraceptive methods and their modes of action. Select the correct match:
| Method | Mode of action |
| a) Condom | (i) Ovum not able to reach Fallopian tube |
| b) Vasectomy | (ii) Prevents ovulation |
| c) Pill | (iii) Prevents sperm reaching the cervix |
| d) Tubectomy | (iv) Semen contains no sperms |
A population that exhibits birth rate identical to death rate implies ______.
The attributes of population but not of the individual are ______.
Match the columns :
| Column 'A' | Column 'B' | ||
| 1 | Mechanical means | a | Saheli |
| 2 | Physiological device | b | Jellies |
| 3 | Chemical device | c | Vasectomy |
| 4 | Permanent method | d | Diaphragm |
The diagram represents a surgical sterilization method in males. Study the same and answer the questions that follow :
- Give the name of the surgical method represented in the diagram.
- Which part is ligated or cut?
- Name the corresponding surgical method conducted in females.
